Can't Access My CPanel Dashboard

So through out today I keep getting this error which is so annoying. Am unable to upload a plugin into my website and to fix the problem I need to log into my Cpanel which am unable to. Here is a screenshot of the response I get when trying to log in. Please see below

Screenshot by Lightshot

A quick help would really go a long way to make me happy. Thanks

Yes, we know:

Thank you everything is now fine!  But please do check my other discussion I just raised another topic. Thanks!