error message from CHARMM: too many IM contacts?

From: Hannes Loeffler <HLoeffler_at_lac.chem.nagoya-u.ac.jp>
Organization: University of Nagoya
Subject: error message from CHARMM: too many IM contacts?
Date: Wed, 20 Aug 2003 09:29:58 +0900

Hello,
 what does this error message mean and how can I avoid it?
       ***** LEVEL -4 WARNING FROM <NBONDS> *****
       ***** GENERATING TOO MANY IM CONTACTS
 Kind regards,
 Hannes.