Hi,
Your query is missing a join, try :
select o.ea_guid AS CLASSGUID, o.Object_Type AS CLASSTYPE, o.name, o.ea_guid, o.Object_type AS Type, o.Stereotype, o.Author, o.modifiedDate AS Modified, o.note AS [Notes] FROM t_object o, t_package pkg WHERE pkg.Package_ID IN (#Branch#)
AND o.package_ID = pkg.Package_ID
Regards,
Jon.