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 ('d1c2f0ee70d16de3d9b39f858f62b190', -1, 1714672335, 1714672335, '12bc1438', 9, 0)

Line : 158
File : sessions.php