"HTTP Error: 403 "Forbidden"". Please try again.

Can’t log in to WPMU DEV Dashboard, getting the following error:

“HTTP Error: 403 “Forbidden””. Please try again.

If this problem continues, please contact your host with this error message and ask:

“Is php on my server properly configured to be able to contact https://premium.wpmudev.org/api/dashboard/v1/ with a POST HTTP request via fsockopen or CURL?”

The IPs are whitelisted on a server. Server IP is not blocked on WPMU DEV. The same error shows up with all the other plugins’ deactivated.

Credentials provided

Please advise,