[horde] Undefined index: api

[Andreas Mauser]

Hi,

since I moved from Debian 6 to CentOS6 I experienced some small errors  
in the system log like:

012-05-06T00:22:22.868290+02:00 webster HORDE: [kronolith] PHP ERROR:  
Undefined index: api [pid 1993 on line 1232 of  
"/var/www/html/mauser.info/mailoffice/kronolith/lib/Kronolith.php"]
2012-05-06T00:22:22.869332+02:00 webster HORDE: [kronolith] PHP ERROR:  
Undefined index: api [pid 1993 on line 1247 of  
"/var/www/html/mauser.info/mailoffice/kronolith/lib/Kronolith.php"]

I tried every session handler in Horde but all produce the same error.

Is there a solution for that?

Kind regards and thank you,
Andreas
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