Bad Gateway

Hi every body!
The message 502/Bad Gateway keeps appearing in my notices and I tried to add a new thread, but got bad gateway in the process.
how can this be removed ??
Help me please!:(:(

Teign

everybody got this Bad Gatewy,
depending on the sites problems

this cannot removed by you
you have to wait when the problem is fixed

armaqan

Thank you so much:loveliness: