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 ('913f9d9688cd16e4317b5bb9f846c9c2', -1, 1748194475, 1748194475, '12bcd866', -4, 0, 0)

Line : 189
File : sessions.php