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 ('d7386ac81c5c1bdda7bf3b2fff4fc7f2', -1, 1714760623, 1714760623, '12bcfc17', 13, 0)

Line : 158
File : sessions.php