could not open file "base/26094/258203387": Операция не позволена

select 
    n.nspname AS tableschema, 
    c.relname AS tablename
from pg_class c
inner join pg_namespace n on (c.relnamespace = n.oid)
where c.relfilenode = 258203387;

select pg_relation_filepath('info.ref_key_fk_idx');
--
base/26094/258457993

Ошибка при выполнении запроса: 
select t1.key as c0,t1.alias as c1,t1.finish_date as c3,t1.start_date_table as c4,t1.fire_date as c5,t3.key as c6,
t3.full_name as c7,t3.alias as c8,t1.processing_stage_key as c9,t4.key as c10,t4.full_name as c11,t4.alias as c12,
t1.service_type_key as c13,t1.name as c14,t1.date_insert as c15,t1.date_update as c16,t1.full_name as c17,t5.key as c18,t5.full_name as c19,
t5.type_alias as c20,t1.user_insert as c21,t6.key as c22,t6.full_name as c23,t6.type_alias as c24,t1.user_update as c25
from myschema.v_all_service t1 
join myschema.d_document_on_service t2 on t1.key=t2.service_key 
join myschema.d_wf_processing_stage t3 on t1.processing_stage_key=t3.key 
join myschema.d_wf_service_type t4 on t1.service_type_key=t4.key 
join myschema.v_party t5 on t1.user_insert=t5.key 
join myschema.v_party t6 on t1.user_update=t6.key 
where t2.status=0 and t2.document=19233 
limit 50 \r\n с параметрами:   Npgsql.PostgresException (0x80004005): 42501: could not open file "base/26094/258203387": Операция не позволена