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 ('80bf038e81fcb52d87b07dc0adac6fc9', -1, 1714472522, 1714472522, '03914a36', 0, 0)

Line : 158
File : sessions.php