Vesta Control Panel - Forum

[Wed Dec 02 15:12:33.146349 2015] [core:error] [pid 14797] AH00046: child process 24537 still did not exit, sending a SIGKILL [Wed Dec 02 15:12:33.147660 2015] [core:error] [pid 14797] AH00046: child process 24791 still did not exit, sending a SIGKILL [Wed Dec 02 15:12:33.148833 2015] [core:error] ...

I can't open webpages but the apache is running which is showed in SSH windows. It would be ok after manually restart
This thing happens everyday recently,
Anyone here has such experiences? And how to fix it?