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 ('79689deace8165c3fd59a8d7e32c2b86', -1, 1714640419, 1714640419, '03850cac', 9, 0)

Line : 158
File : sessions.php