Anyone come accross this before ?

2003-06-25 19:12:08 failed to expand condition"${perl{checkspam}}" for lookuphost router: Unmatched [ before HERE mark in regex m/^[ << HERE ]: (\S+)/ at /etc/exim.pl line 308, <USERDOMS> line 1.

All emails are sent and delivered ok, but this error keeps going through the logs ?

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