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 ('5b55658d76ff3185f905923868e9c4b3', -1, 1713881320, 1713881320, '12d99020', -4, 0)

Line : 158
File : sessions.php