[otrs] error in upgrade from 2.1.4 to 2.2.0

I did upgrade test OTRS installation, but I have got error message, what is it: [Fri Apr 06 10:37:27 2007] [error] [client 192.168.0.126] Attempt to serve directory: /var/www2/otrs-2.2.0/bin/cgi-bin/ [Fri Apr 06 10:37:27 2007] [error] [Fri Apr 6 10:37:27 2007] -e: Can't use an undefined value as a HASH reference at /var/www2/otrs-2.2.0//Kernel/System/CustomerCompany.pm line 78, <PRODUCT> line 8.\n -- Valkai Jozsef +36 70 36 28 147 valkaij@externet.hu jvalkai@gmail.com lat:N 47° lon:E 19°