Ошибки deadlock detected

CREATE TABLE forms (
	id serial PRIMARY KEY,
	account int not null,
	author text,
    salary int NOT NULL
);
insert into  forms(account, author, salary) values 
(1, 'Иванов', 30),
(1, 'Петров', 40),
(2, 'Сидоров', 40),
(2, 'Сергеев', 50)

ERROR: deadlock detected
DETAIL: Process 3415 waits for ShareLock on transaction 1958114794; blocked by process 87442.
Process 87442 waits for ShareLock on transaction 1958114529; blocked by process 3415.
HINT: See server log for query details.

BEGIN ISOLATION LEVEL READ COMMITTED READ WRITE;
SET LOCAL statement_timeout = '5000ms'; 
SELECT PG_ADVISORY_XACT_LOCK("lock_id") FROM (
                SELECT UNNEST('{1100889}'::BIGINT[]) AS "lock_id"
            ) LocksId      
RESET statement_timeout