diff --git a/core/views/userView.py b/core/views/userView.py
index 33b9207..ecda0d5 100644
--- a/core/views/userView.py
+++ b/core/views/userView.py
@@ -1057,14 +1057,18 @@ def addTeamMember(request):
     user_serializer = UserSerializer(data=request.data)
     if user_serializer.is_valid():
         user = user_serializer.save()
+
+        # Ensure the mobile_number is set as the username
+        username = request.data['mobile_number']
+        if not username.strip():  # Ensure the username is not empty
+            return Response({'username': ['Username cannot be empty.']}, status=status.HTTP_400_BAD_REQUEST)
+
         user.set_password(request.data['password'])
-        
-        # Assign the mobile_number as the username
-        user.username = request.data['mobile_number']
+        user.username = username
         user.first_name = request.data['first_name']
         user.last_name = request.data['last_name']
         user.save()
-        
+
         # Proceed with customer data creation
         customer_data = {
             'user': user.id,
@@ -1108,8 +1112,6 @@ def addTeamMember(request):
 
 
 
-
-
 @api_view(['GET'])
 @authentication_classes([SessionAuthentication, TokenAuthentication])
 @permission_classes([IsAuthenticated])