503 Service Unavailable
PHP did not respond properly to the request.
As a result, Apache considers the PHP-FPM service to be unavailable.
Detailed information about this error is available in the app’s Apache error log at:
/srv/users/SYSUSER/log/APPNAME/APPNAME_apache.error.log
The root cause of this error is often slow PHP code.
You should disable any plugins the app is using and
check the app’s PHP error log and PHP slow request log located at:
/srv/users/SYSUSER/log/APPNAME/APPNAME_phpX.Y.error.log
/srv/users/SYSUSER/log/APPNAME/APPNAME_phpX.Y.slow.log
Categories: Biography
Source: SCHOOL TRANG DAI
