Wix 403 Error Description:
Live Site Error: Error 403 (Forbidden)
A 403 Forbidden error is an HTTP status code that means you are unauthorized to view the page you are trying to access.
However, if the Wix CRM was changed by Wix then it would have been told about beforehand and we would have all been notified here and in update emails from Wix etc.
What code are you using, paste it below.