Hello I gest this error with PostgreSQL

SQLSTATE[23505]: Unique violation: 7 ERROR: duplicate key value violates unique constraint "users_pkey" DETAIL: Key (id)=(1) already exists. (SQL: insert into "users" ("username", "email", "public_front", "password", "updated_at", "created_at") values (new_user, [email protected], 1, $2y$10$GJ/juNvyraROActwtWSWxOhVba75sGCKemH6jvt7hK.wUNuNrvEqO, 2020-01-23 11:02:07, 2020-01-23 11:02:07) returning "id")