diff --git a/SS14.ServerHub/Controllers/ServerListController.cs b/SS14.ServerHub/Controllers/ServerListController.cs
index cb8eb67..a2cf1c4 100644
--- a/SS14.ServerHub/Controllers/ServerListController.cs
+++ b/SS14.ServerHub/Controllers/ServerListController.cs
@@ -94,7 +94,7 @@ public async Task<IActionResult> Advertise([FromBody] ServerAdvertise advertise)
         if (!Uri.TryCreate(advertise.Address, UriKind.Absolute, out var parsedAddress) ||
             string.IsNullOrWhiteSpace(parsedAddress.Host) ||
             parsedAddress.Scheme is not (Ss14UriHelper.SchemeSs14 or Ss14UriHelper.SchemeSs14s))
-            return BadRequest("Invalid SS14 URI");
+            return BadRequest("Invalid SS14 URI. Ensure your hub.server_url starts with ss14:// or ss14s:// and that the address is valid.");
 
         // Ban check.
         switch (await CheckAddressBannedAsync(parsedAddress))
@@ -112,7 +112,7 @@ parsedAddress.Scheme is not (Ss14UriHelper.SchemeSs14 or Ss14UriHelper.SchemeSs1
         Debug.Assert(statusJson != null);
         Debug.Assert(infoJson != null);
 
-        switch (await CheckInfoBannedAsync(parsedAddress, statusJson, infoJson!))
+        switch (await CheckInfoBannedAsync(parsedAddress, statusJson, infoJson))
         {
             case BanCheckResult.Banned:
                 return Unauthorized("Your server has been blocked from advertising on the hub. If you believe this to be in error, please contact us.");
@@ -214,8 +214,8 @@ parsedAddress.Scheme is not (Ss14UriHelper.SchemeSs14 or Ss14UriHelper.SchemeSs1
         }
         catch (Exception e)
         {
-            _logger.LogInformation(e, "Failed to connect to advertising server");
-            return (UnprocessableEntity("Unable to contact status address"), null, null);
+            _logger.LogInformation(e, $"Failed to connect to advertising server: {uri}");
+            return (UnprocessableEntity("Unable to contact status address, ensure your firewall/port forwarding configuration allows traffic from the internet and double check your config."), null, null);
         }
     }
 
@@ -314,4 +314,4 @@ public override void Write(Utf8JsonWriter writer, RawJson value, JsonSerializerO
             writer.WriteRawValue(value.Json, skipInputValidation: true);
         }
     }
-}
\ No newline at end of file
+}