I was receiving this error while I was using the tool JSExportFromCRM – a useful tool to backup javascripts for CRM.

While looking for the same the solution I found was this

First I ran this query

SELECT * from entity WHERE objecttypecode = 4408

It returned nothing

Than I ran the following query and it

select * from organizationuibase where ObjectTypeCode = 4408

returned a row.

So ran the following query (i.e deleted that entry)

Delete from organizationuibase where ObjectTypeCode = 4408

And than again run the tool and it worked properly!!

Bye