sa-update failed for unknown reasons

[J. Fahrner]

Hallo,
mein cron.daily bringt seit heute folgenden Fehler:

/etc/cron.daily/spamassassin:
rules: failed to run FORGED_GMAIL_RCVD test, skipping:
     (Can't locate object method 
"check_for_forged_gmail_received_headers" via package 
"Mail::SpamAssassin::PerMsgStatus" at (eval 1288) line 1501.
)
channel: lint check of update failed, channel failed
sa-update failed for unknown reasons

Hat das noch jemand? Irgendeine Idee was da schief ist? Google liefert 0 
Treffer zu der Fehlermeldung.

Jochen