An error has occurred forwarding your sign in. Retry

[mycalfor]

Why would all the links work on this site except for cPanel?

This is what the cPanel button is doing, Standby...
Then, CPanel
After click
Then,
Sign in Successful

Please standby while transfer you to your web hosting account.
An error has occurred forwarding your sign in. Retry


Then stuck in that loop.
Any ideas?