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) VALUES ('023c99a827c3f64bd5d90c8f5a8d21d8', -1, 1714323147, 1714323147, '12bc1438', 2, 0)

Line : 158
File : sessions.php