On opening several user details in the backend I get an internal server error 500. Not on all. I cannot find any matches between the ones giving the error. Any help would be appreciated.
apache log:
[Tue Feb 11 07:57:25.562556 2020] [core:error] [pid 27008:tid 139983126521600] [client 80.100.222.113:57967] End of script output before headers: index.php, referer: https://www.deveiligheidskundige.nl/administrator/index.php?option=com_jsn&view=users
[Tue Feb 11 08:00:15.718048 2020] [fcgid:warn] [pid 27008:tid 139982925096704] (104)Connection reset by peer: [client 80.100.222.113:58121] mod_fcgid: error reading data from FastCGI server, referer: https://www.deveiligheidskundige.nl/administrator/index.php?option=com_jsn&view=users
[Tue Feb 11 08:00:15.718113 2020] [core:error] [pid 27008:tid 139982925096704] [client 80.100.222.113:58121] End of script output before headers: index.php, referer: https://www.deveiligheidskundige.nl/administrator/index.php?option=com_jsn&view=users
[Tue Feb 11 08:02:33.510696 2020] [fcgid:warn] [pid 27008:tid 139982899918592] (104)Connection reset by peer: [client 80.100.222.113:58196] mod_fcgid: error reading data from FastCGI server, referer: https://www.deveiligheidskundige.nl/administrator/index.php?option=com_jsn&view=users