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 ('3d96ed703080626b5b37de52bdd0f8aa', -1, 1714354595, 1714354595, '127785e4', 14, 0)

Line : 158
File : sessions.php