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 ('889bf511296d997c166cb05510403942', -1, 1747377342, 1747377342, '03133c1a', -4, 0, 0)

Line : 189
File : sessions.php