Cannot login into CVS version rc1

Hello,
I just have downloaded the latest cvs version (1.0-rc1) and replaced the
old version with it. (I did all the steps as described in the upgrade.txt.)

But when pointing my browser to the netjuke directory I get this
error message instead of the login form:

Fatal error: Call to a member function on a non-object in /var/www/html/netjuke/lib/inc-theme.php on line 133

Is this a bug or did I make a mistake?

Thanks in advance,
Jan


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