What does it means?

There is now insert triggers or rules for table cwdomains.
Error appear after installing plpgsql into existing database

insert into cwdomains(name, who) values ('woland.wplus.net', 'dms');
ERROR: fmgr_info: Cache lookup for language %d failed 21505

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Dmitry Samersoff
DM\S, dms@wplus.net, AIM: Samersoff
http://devnull.wplus.net