I can't do registration. I received the message

Site error

This site encountered an error trying to fulfill your request. The errors were:

Error Type IntegrityError Error Value ERROR: insert or update on table "site_tokens" violates foreign key constraint "$2" DETAIL: Key (token_id)=(37440) is not present in table "tokens". select nextval(tokens_token_id_seq); insert into tokens (token_id, start_date , service_id , value , customer , self_destruct ) select currval(tokens_token_id_seq) , now() , s.service_id ,52428800 ,ao11259 ,1 from services as s inner join categories as c on c.category_id = s.category_id and s.description = Storage and c.name = objectis ; insert into site_tokens (site_id,token_id) select 18767, currval(tokens_token_id_seq); select token_id from tokens where token_id = currval(tokens_token_id_seq)