Dear all, I got issue when integrate Koha to CAS, pls give us advice [Wed May 28 15:46:49 2014] [error] [client 192.168.85.1] [Wed May 28 15:46:49 2014] opac-main.pl: Use of uninitialized value $retuserid in string ne at /usr/share/koha/lib/C4/Auth.pm line 808, <DATA> line 522. [Wed May 28 15:47:03 2014] [error] [client 192.168.85.1] [Wed May 28 15:47:03 2014] opac-user.pl: Use of uninitialized value $lasttime in numeric lt (<) at /usr/share/koha/lib/C4/Auth.pm line 685, <DATA> line 522., referer: http://192.168.85.132/ [Wed May 28 15:47:03 2014] [error] [client 192.168.85.1] [Wed May 28 15:47:03 2014] opac-user.pl: Use of uninitialized value $retuserid in string ne at /usr/share/koha/lib/C4/Auth.pm line 808, <DATA> line 522., referer: http://192.168.85.132/ Tks and regard