phpBB : Critical Error

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) VALUES ('941dba5e1c8bdd3878bd2695c60c9fd5', -1, 1748085087, 1748085087, '1276ab1c', -9, 0, 0)

Line : 190
File : sessions.php