php runs for a period of time and reports an error:

Server internal error

The server encountered an internal error or configuration error and was unable to complete your request

Please contact admin@php. cnContact the administrator to inform them of the time the error occurred and the actions you performed before this error occurred

More error information may be available in the server error log

apache [Fri May 10 14:52:41.229569 2019] [core:error] [pid 4444:tid 12448] [client 122.226.141.210:60851] End of script output before headers: index.php, referer: