diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.cs b/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.cs
index 5a20696..62c4053 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.cs	
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.cs	
@@ -3187,6 +3187,7 @@ public partial class CategoryContractListMessageContract : System.ComponentModel
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private System.Collections.Generic.ICollection<CategoryContract> _result;
         private bool _hasItems;
 
@@ -3220,6 +3221,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public System.Collections.Generic.ICollection<CategoryContract> Result
         {
@@ -3265,6 +3281,7 @@ public partial class CategoryContractMessageContract : System.ComponentModel.INo
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private CategoryContract _result;
 
         [Newtonsoft.Json.JsonProperty("isSuccess", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
@@ -3297,6 +3314,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public CategoryContract Result
         {
@@ -3501,6 +3533,7 @@ public partial class ContentContractListMessageContract : System.ComponentModel.
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private System.Collections.Generic.ICollection<ContentContract> _result;
         private bool _hasItems;
 
@@ -3534,6 +3567,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public System.Collections.Generic.ICollection<ContentContract> Result
         {
@@ -3579,6 +3627,7 @@ public partial class ContentContractMessageContract : System.ComponentModel.INot
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private ContentContract _result;
 
         [Newtonsoft.Json.JsonProperty("isSuccess", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
@@ -3611,6 +3660,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public ContentContract Result
         {
@@ -3814,7 +3878,9 @@ public partial class ErrorContract : System.ComponentModel.INotifyPropertyChange
         private string _message;
         private string _endUserMessage;
         private string _details;
-        private string _stackTrace;
+        private System.Collections.Generic.ICollection<string> _stackTrace;
+        private System.Collections.Generic.ICollection<ErrorContract> _children;
+        private ServiceDetailsContract _serviceDetails;
 
         [Newtonsoft.Json.JsonProperty("validations", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public System.Collections.Generic.ICollection<ValidationContract> Validations
@@ -3892,7 +3958,7 @@ public string Details
         }
 
         [Newtonsoft.Json.JsonProperty("stackTrace", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string StackTrace
+        public System.Collections.Generic.ICollection<string> StackTrace
         {
             get { return _stackTrace; }
 
@@ -3906,6 +3972,36 @@ public string StackTrace
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("children", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public System.Collections.Generic.ICollection<ErrorContract> Children
+        {
+            get { return _children; }
+
+            set
+            {
+                if (_children != value)
+                {
+                    _children = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        [Newtonsoft.Json.JsonProperty("serviceDetails", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public ServiceDetailsContract ServiceDetails
+        {
+            get { return _serviceDetails; }
+
+            set
+            {
+                if (_serviceDetails != value)
+                {
+                    _serviceDetails = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
 
         protected virtual void RaisePropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
@@ -3938,7 +4034,7 @@ public enum FailedReasonType
 
         InternalError = 8,
 
-        Dupplicate = 9,
+        Duplicate = 9,
 
         Empty = 10,
 
@@ -4363,6 +4459,7 @@ public partial class Int64MessageContract : System.ComponentModel.INotifyPropert
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private long _result;
 
         [Newtonsoft.Json.JsonProperty("isSuccess", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
@@ -4395,6 +4492,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public long Result
         {
@@ -4627,6 +4739,7 @@ public partial class LanguageContractListMessageContract : System.ComponentModel
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private System.Collections.Generic.ICollection<LanguageContract> _result;
         private bool _hasItems;
 
@@ -4660,6 +4773,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public System.Collections.Generic.ICollection<LanguageContract> Result
         {
@@ -4705,6 +4833,7 @@ public partial class LanguageContractMessageContract : System.ComponentModel.INo
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
         private LanguageContract _result;
 
         [Newtonsoft.Json.JsonProperty("isSuccess", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
@@ -4737,6 +4866,21 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         [Newtonsoft.Json.JsonProperty("result", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public LanguageContract Result
         {
@@ -4813,6 +4957,7 @@ public partial class MessageContract : System.ComponentModel.INotifyPropertyChan
     {
         private bool _isSuccess;
         private ErrorContract _error;
+        private SuccessContract _success;
 
         [Newtonsoft.Json.JsonProperty("isSuccess", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public bool IsSuccess
@@ -4844,6 +4989,129 @@ public ErrorContract Error
             }
         }
 
+        [Newtonsoft.Json.JsonProperty("success", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public SuccessContract Success
+        {
+            get { return _success; }
+
+            set
+            {
+                if (_success != value)
+                {
+                    _success = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void RaisePropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
+        {
+            var handler = PropertyChanged;
+            if (handler != null)
+                handler(this, new System.ComponentModel.PropertyChangedEventArgs(propertyName));
+        }
+    }
+
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "13.19.0.0 (NJsonSchema v10.9.0.0 (Newtonsoft.Json v13.0.3.0))")]
+    public partial class ServiceDetailsContract : System.ComponentModel.INotifyPropertyChanged
+    {
+        private string _servieRouteAddress;
+        private string _methodName;
+        private string _path;
+        private string _porjectName;
+
+        [Newtonsoft.Json.JsonProperty("servieRouteAddress", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string ServieRouteAddress
+        {
+            get { return _servieRouteAddress; }
+
+            set
+            {
+                if (_servieRouteAddress != value)
+                {
+                    _servieRouteAddress = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        [Newtonsoft.Json.JsonProperty("methodName", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string MethodName
+        {
+            get { return _methodName; }
+
+            set
+            {
+                if (_methodName != value)
+                {
+                    _methodName = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        [Newtonsoft.Json.JsonProperty("path", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string Path
+        {
+            get { return _path; }
+
+            set
+            {
+                if (_path != value)
+                {
+                    _path = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        [Newtonsoft.Json.JsonProperty("porjectName", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string PorjectName
+        {
+            get { return _porjectName; }
+
+            set
+            {
+                if (_porjectName != value)
+                {
+                    _porjectName = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void RaisePropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
+        {
+            var handler = PropertyChanged;
+            if (handler != null)
+                handler(this, new System.ComponentModel.PropertyChangedEventArgs(propertyName));
+        }
+    }
+
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "13.19.0.0 (NJsonSchema v10.9.0.0 (Newtonsoft.Json v13.0.3.0))")]
+    public partial class SuccessContract : System.ComponentModel.INotifyPropertyChanged
+    {
+        private string _endUserMessage;
+
+        [Newtonsoft.Json.JsonProperty("endUserMessage", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string EndUserMessage
+        {
+            get { return _endUserMessage; }
+
+            set
+            {
+                if (_endUserMessage != value)
+                {
+                    _endUserMessage = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
 
         protected virtual void RaisePropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.nswag.json b/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.nswag.json
index 06a53d4..21647e8 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.nswag.json	
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.Clients/Connected Services/ContentsGeneratedServices/OpenAPI.nswag.json	
@@ -1642,6 +1642,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "title": "List<CategoryContract>",
             "type": "array",
@@ -1667,6 +1670,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "$ref": "#/components/schemas/CategoryContract"
           }
@@ -1731,6 +1737,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "title": "List<ContentContract>",
             "type": "array",
@@ -1756,6 +1765,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "$ref": "#/components/schemas/ContentContract"
           }
@@ -1839,8 +1851,23 @@
             "nullable": true
           },
           "stackTrace": {
-            "type": "string",
-            "nullable": true
+            "title": "List<String>",
+            "type": "array",
+            "nullable": true,
+            "items": {
+              "type": "string"
+            }
+          },
+          "children": {
+            "title": "List<ErrorContract>",
+            "type": "array",
+            "nullable": true,
+            "items": {
+              "$ref": "#/components/schemas/ErrorContract"
+            }
+          },
+          "serviceDetails": {
+            "$ref": "#/components/schemas/ServiceDetailsContract"
           }
         }
       },
@@ -1857,7 +1884,7 @@
           "SessionAccessDenied",
           "AccessDenied",
           "InternalError",
-          "Dupplicate",
+          "Duplicate",
           "Empty",
           "NotFound",
           "ValidationsError",
@@ -2033,6 +2060,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "type": "integer",
             "format": "int64"
@@ -2111,6 +2141,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "title": "List<LanguageContract>",
             "type": "array",
@@ -2136,6 +2169,9 @@
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
           },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          },
           "result": {
             "$ref": "#/components/schemas/LanguageContract"
           }
@@ -2164,6 +2200,41 @@
           },
           "error": {
             "$ref": "#/components/schemas/ErrorContract"
+          },
+          "success": {
+            "$ref": "#/components/schemas/SuccessContract"
+          }
+        }
+      },
+      "ServiceDetailsContract": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "servieRouteAddress": {
+            "type": "string",
+            "nullable": true
+          },
+          "methodName": {
+            "type": "string",
+            "nullable": true
+          },
+          "path": {
+            "type": "string",
+            "nullable": true
+          },
+          "porjectName": {
+            "type": "string",
+            "nullable": true
+          }
+        }
+      },
+      "SuccessContract": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "endUserMessage": {
+            "type": "string",
+            "nullable": true
           }
         }
       },
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.StartUp/DatabaseBuilder.cs b/src/CSharp/EasyMicroservices.ContentsMicroservice.StartUp/DatabaseBuilder.cs
index cfae9ed..c2f8088 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.StartUp/DatabaseBuilder.cs
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.StartUp/DatabaseBuilder.cs
@@ -17,8 +17,8 @@ public class DatabaseBuilder : IDatabaseBuilder
 
         public void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
-            //optionsBuilder.UseInMemoryDatabase("ContentDatabase");
-            optionsBuilder.UseSqlServer(config.GetConnectionString("local"));
+            optionsBuilder.UseInMemoryDatabase("ContentDatabase");
+            //optionsBuilder.UseSqlServer(config.GetConnectionString("local"));
         }
     }
 }
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
index 816297b..2909c71 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
@@ -77,7 +77,7 @@ public async Task<MessageContract<CategoryContract>> AddContentWithKey(AddConten
 
             var getCategoryResult = await categorylogic.GetBy(x => x.Key == request.Key);
             if (getCategoryResult.IsSuccess)
-                return getCategoryResult.ToContract<CategoryContract>();
+                return (FailedReasonType.Duplicate, "Category already exists.");
 
             var languages = await languageLogic.GetAll();
             var notFoundLanguages = request.LanguageData.Select(x => x.Language).Except(languages.Result.Select(o => o.Name));
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Program.cs b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Program.cs
index adc6569..3eb73f1 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Program.cs
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Program.cs
@@ -78,7 +78,7 @@ public static async Task Main(string[] args)
             {
                 using var context = scope.ServiceProvider.GetService<ContentContext>();
                 await context.Database.EnsureCreatedAsync();
-                await context.Database.MigrateAsync();
+                //await context.Database.MigrateAsync();
                 await context.DisposeAsync();
                 var service = scope.ServiceProvider.GetService<WhiteLabelManager>();
                 await service.Initialize("Content", config.GetValue<string>("RootAddresses:WhiteLabel"), typeof(ContentContext));