File manager cannot be opened

Hello administrator, why can’t I enter the file manager and the website cannot be opened? My username: Vipba

vipba Hello,

what error message do you have?

vipba check now.
y3kking tell us your login.

Error 502
Request rejected

The server cannot fulfill your request, please try again in 10 seconds.

this's the error message

admin
well, i dont know why, but its ok now, thanks all