MODx admin panel does not work

[vsusov]

There are problems with saving and editing resources and MODX elements. Is it possible to disable the cache for the manager sections?

[sandro]

Community Tip - Fixing Error 520: Web server is returning an unknown error

Error Try the suggestions in this Community Tip to help you fix “Error 520: Web server is returning an unknown error”. Background Error 520 is essentially a catch-all response when something unexpected happens or when the origin server incorrectly interprets or does not tolerate a request due to a protocol violation or an empty response. A 520 error occurs when the connection started on the origin web server, but that the request was not completed. The most common reason why this would occur …

[vsusov]

i will try, thanx!