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 ('9691698120e2f22de8b9f64de9447463', -1, 1714196387, 1714196387, '03154c00', -8, 0)

Line : 158
File : sessions.php