Quote:
have no clue what's the issue?
The error message is your clue, read it carefilly:
403 - Forbidden: Access is denied.
You do not have permission to view this directory or page using the credentials that you supplied.
Exact error message should contain other informations which can help to locate the operation in code that rise the error.
In last resort, the debugger can show you where the program stops.
You did not provided any information to give you another answer.