Error 133015 occurs when you try to register a phone number that was recently deleted but has not yet completed the deletion process. It is accompanied by the following error message, “Please wait a few minutes before attempting to register this phone number.”
How to Resolve 133015?
The solution is simple. To resolve this error wait at least 5 minutes before reattempting to register the phone number. After waiting, retry the registration request.
By following these steps, you can successfully register the phone number after the deletion process is complete. For more troubleshooting tips related to WhatsApp Business API, check out our other blogs at heltar.com/blogs.