phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c92e601b2f76a8f455b5ca19e7d77413', -1, 1713988389, 1713988389, '0aa8c802', -4, 0, 0)

Line : 200
File : sessions.php