[SOGo] SOGo WARNING called NSNull -length

[Imo Graf]

Hi,
 
sometimes I get this error in the logfile form sogo. Can someone tell 
me what's wrong or it's normal :-) ?
 
 
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!
2010-10-06 10:41:55.165 sogod[4534] WARNING(-[NSNull(misc) length]): 
called NSNull -length (returns 0) !!!

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