problem delete record error:heap_mark4update - Mailing list pgsql-general

I work using postgresql in cygwin version:
 PostgreSQL 7.3.2 on i686-pc-cygwin, compiled by GCC gcc (GCC) 3.2 20020927 (prerelease)


When delete a record I recive the message :
heap_mark4update: (am)invalid tid

the sql command is:
e.g
delete from irtab where id=29353


What this the problem?

Thanks

Bye !!
Frank Lupo (Wolf) !!

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