phpBB : Kritična greška

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, session_forum) VALUES ('0c82aa4dd00e8e0c9a1edd2adcd28fd4', -1, 1568809711, 1568809711, '12cec253', -4, 0, 0, 0)

Line : 190
File : sessions.php