I got this:
Internal Server Error
The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.If you want to know more, enable log_errors
; log_errors
; Default Value: Off
; Development Value: On
; Production Value: On
log_errors = On