Exception in ASGI application

[Gavyz]

Having issues when doing a API request. This is the link: http://127.0.0.1:5000/group/rank/?user_name=Gavyzzzzz&key=12345&groupid=32807486&role_number=80 and i get this error:

Error:

←[31mERROR←[0m:    Exception in ASGI application
Traceback (most recent call last):
  File "C:\Python312\Lib\site-packages\uvicorn\protocols\http\httptools_impl.py", line 411, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\uvicorn\middleware\proxy_headers.py", line 69, in __call__
    return await self.app(scope, receive, send)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\fastapi\applications.py", line 1054, in __call__
    await super().__call__(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\applications.py", line 123, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\middleware\errors.py", line 186, in __call__
    raise exc
  File "C:\Python312\Lib\site-packages\starlette\middleware\errors.py", line 164, in __call__
    await self.app(scope, receive, _send)
  File "C:\Python312\Lib\site-packages\starlette\middleware\exceptions.py", line 62, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\_exception_handler.py", line 64, in wrapped_app
    raise exc
  File "C:\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Python312\Lib\site-packages\starlette\routing.py", line 758, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\routing.py", line 778, in app
    await route.handle(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\routing.py", line 299, in handle
    await self.app(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\routing.py", line 79, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "C:\Python312\Lib\site-packages\starlette\_exception_handler.py", line 64, in wrapped_app
    raise exc
  File "C:\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Python312\Lib\site-packages\starlette\routing.py", line 74, in app
    response = await func(request)
               ^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\fastapi\routing.py", line 299, in app
    raise e
  File "C:\Python312\Lib\site-packages\fastapi\routing.py", line 294, in app
    raw_response = await run_endpoint_function(
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\fastapi\routing.py", line 191, in run_endpoint_function
    return await dependant.call(**values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\OneDrive\Desktop\New folder (3)\main.py", line 46, in read_items
    target = await group.get_member_by_username(user_name)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\ro_py\groups.py", line 275, in get_member_by_username
    user = await self.cso.client.get_user_by_username(name)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python312\Lib\site-packages\ro_py\client.py", line 131, in get_user_by_username
    raise UserDoesNotExistError
ro_py.utilities.errors.UserDoesNotExistError

Code:

from fastapi import FastAPI
import os
import requests
from ro_py.client import Client
from dotenv import load_dotenv
import asyncio
import uvicorn
load_dotenv()

RobloxCookie = os.getenv("COOKIE")
APIKEY = os.getenv("API_KEY")

client = Client(RobloxCookie)

app = FastAPI()

@app.get("/")
async def root():
    return {"message": "Hello World"}
@app.get("/group/promote/")
async def read_items(user_name: str, key: str,groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     usernameinsystem = await client.get_user_by_username(user_name)
     user_id = usernameinsystem.id
     membertorank =  await group.get_member_by_id(user_id)
     await membertorank.promote()
     return ("The user was promoted!")
    else:
        return "Incorrect key"
@app.get("/group/demote/")
async def read_items(user_name: str, key: str, groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     usernameinsystem = await client.get_user_by_username(user_name)
     user_id = usernameinsystem.id
     membertorank =  await group.get_member_by_id(user_id)
     await membertorank.demote()
     return ("The user was demoted!")
    else:
        return "Incorrect key"
@app.get("/group/rank/")
async def read_items(user_name: str, key: str, groupid: int, role_number: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     target = await group.get_member_by_username(user_name)
     await target.setrole(role_number)
     return ("The user had their ranked changed")
    else:
        return "Incorrect key"
@app.get("/group/members/")
async def read_items(key: str, groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     return (group.member_count)
    else:
        return "Incorrect key"
@app.get("/group/membercount/")
async def read_items(key: str, groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     return (group.member_count)
    else:
        return "Incorrect key"
@app.get("/group/rankup/")
async def read_items(user_name: str, key: str,groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     usernameinsystem = await client.get_user_by_username(user_name)
     user_id = usernameinsystem.id
     membertorank =  await group.get_member_by_id(user_id)
     await membertorank.promote()
     return ("The user was promoted!")
    else:
        return "Incorrect key"
@app.get("/group/rankdown/")
async def read_items(user_name: str, key: str, groupid: int):
    if key == APIKEY:
     group = await client.get_group(groupid)
     usernameinsystem = await client.get_user_by_username(user_name)
     user_id = usernameinsystem.id
     membertorank =  await group.get_member_by_id(user_id)
     await membertorank.demote()
     return ("The user was demoted!")
    else:
        return "Incorrect key"
    

Python Version:
3.12.2

Requirements:

fastapi==0.109.2
ro_py==1.2.0.5  
asyncio==3.4.3
python-dotenv==0.21.1
uvicorn==0.29.0