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 ('ec7cf3d83a94ce6d829473fdfad210f1', -1, 1714779009, 1714779009, '12dfacfc', 3, 0)

Line : 158
File : sessions.php