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 ('7e83cc0f9201b3eff3524d4bf4fa6557', -1, 1713977213, 1713977213, '0aa8c802', 21, 0, 0)

Line : 200
File : sessions.php