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 ('6799992e8b9acbb740f1c16072fdf499', -1, 1714453973, 1714453973, '0315f877', 12, 0)

Line : 158
File : sessions.php