Request Aborted 500 Urgent

I am trying to login but there is error or request aborted 500 error.
please activate the account this error is is been since yestraday moring.


Are you attempting to log in multiple times? If so, the system may rate limit and temporarily block your access.

If that’s not the case, please clear your cache and try logging in again.

no i am not doing multiple login , and i cleared cache its still not working. kindly look at this issuse and resolve it.
how can i raise ticket