Seem to recall the answer being that you did not upgrade the database.  I think there is a script file with the name upgrade2.1.7-2.2.x. sore somthing to that effect that needs to be run.
 
LQ


From: otrs-bounces@otrs.org [mailto:otrs-bounces@otrs.org] On Behalf Of bradis
Sent: Monday, July 09, 2007 8:45 AM
To: User questions and discussions about OTRS.org
Subject: [otrs] Re: upgrade question

ok, returned to 2.1.7 for the moment... :)

On 7/9/07, bradis <bradis@aha.ru> wrote:
Hello!

Dear All,

just downloaded OTRS 2.2.1 for Fedora Core 4,5,6
RPM< http://ftp.otrs.org/pub/otrs/RPMS/fedora/4/otrs-2.2.1-01.i386.rpm
>-
12.7 MB to upgrade from 2.1.7
on CentOS 5.x

I made it like

rpm -U OTRS 2.2.1.rpm< http://ftp.otrs.org/pub/otrs/RPMS/fedora/4/otrs-2.2.1-01.i386.rpm
>

before made backup of /opt/otrs/*.*
and mysql database.


Made ...

[root@XXXX ~]# /etc/init.d/otrs start
Starting OTRS..
Checking httpd ... done.
Checking MySQL ... done.
Checking database connect... It looks Ok! done.

Enable /opt/otrs/bin/PostMaster.pl ... done.
Checking otrs spool dir... done.
Creating cronjobs (source /opt/otrs/var/cron/*) ...
done.

-->> http://XXXX/otrs/index.pl
<<--
Final start of OTRS.. done
[root@XXXX ~]#

All looks fine,
but when log-in went to tickets view,
got this error:

Software error:

Can't use an undefined value as a HASH reference at

../..//Kernel/System/Ticket/Article.pm line 1395.

For help, please send mail to the webmaster (root@localhost), giving this
error message and the time and date of the error.


Any ideas how to fix it ?



Vbrgs!