When OPcache settings are too aggressive, it can happen that responses are not updated, for example resulting in changes in the Panel not being updated (e.g the user language or the display language).
Adding this line in the
.htaccess has helped users fixing this issue:
php_value opcache.revalidate_freq 0
When this error occurs, check with your hosting provider if
HTTP PATCH requests are disabled.
Check your console for a
PATCH request error. This can appear when
PATCH requests are blocked by amod_security` rule on the server.
If you randomly can't save pages, are randomly logged out or cannot log out without refreshing the browser, try disabling your browser's cache.
Check if you have are sending Cache-Control headers or have set Expires HTTP headers in the
mod_expires module in your