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 ('c5f2cd06ee416bb3b856ef70f3f0c026', -1, 1713982922, 1713982922, '0aa8c802', -9, 0, 0)

Line : 200
File : sessions.php