Hi,

23.09.2016 15:15 - Jens Heinrich schrieb:
> 14:56:39 2016: /usr/local/otrs/bin/cgi-bin/installer.pl
> [Fri Sep 23 14:56:39.177924 2016] [cgi:error] [pid 17244] [CLIENT]
> AH01215: : /usr/local/otrs/bin/cgi-bin/installer.pl
> [Fri Sep 23 14:56:39.177991 2016] [cgi:error] [pid 17244] [CLIENT]

The only thing I can think of is the path.
please check $HOME of the otrs user

--
Florian