Hi!
>>
>> Database does not contain large objects.
>>
>> pg_dump starts to throw error
>>
>> ERROR: permission denied for large object 200936761
>
> Did you do the pg_dump as a superuser?
No.
pg_dump needs to be invoked by non-superuser also. It backs up two
schemas, public and firma74 .
-n public -n firma74
command line options are used.
>
> You can query that to see what is there. I would not go about deleting
> until you find what the large objects are for.
>
select * from pg_largeobject
returns empty table.
Database has approx 50 schemas and many thousands of tables.
Andrus.