Updated error msg in login

module_auth/api/views.py

@@ -81,10 +81,14 @@ class LoginView(APIView):
         password = request.data.get("password")
         player_id = request.data.get("player_id")
 
-        principal = get_principal_by_email(email=email)
-
-        if isinstance(principal, Response):
-            return principal
+        try:
+            principal = IAmPrincipal.objects.get(email=email)
+        except IAmPrincipal.DoesNotExist:
+            error_response = {
+                "message": constants.INCORRECT_CREDENTIALS,
+                "errors": constants.INCORRECT_CREDENTIALS,
+            }
+            return ApiResponse.error(**error_response)
 
         validation_result = authticate_with_otp_and_passsword(
             principal, otp=otp, password=password