"Vilson farias" <vilson(dot)farias(at)digitro(dot)com(dot)br> writes:
>> Evidently pg_shadow has no entry with usesysid 26. Add it back...
> I dont have a pg_shadow file, I use a passwd file instead.
Yes, you do have a pg_shadow table. If you think you can have PG users
who aren't listed in pg_shadow, you've just found out differently.
regards, tom lane