Hi all, after updating to the new Icingaweb2 version I wanted to test changing the themes. Unfortunately I get the following error after the selection, which I can not quite explain. Is it because of an old PHP version.
I hope I can help me 
Hi all, after updating to the new Icingaweb2 version I wanted to test changing the themes. Unfortunately I get the following error after the selection, which I can not quite explain. Is it because of an old PHP version.
I hope I can help me