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, session_admin) VALUES ('b1acdcbbc0935a81153eb24a368b5ce2', -1, 1713987030, 1713987030, '12743fae', -10, 0, 0)

Line : 187
File : sessions.php