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 ('5f744ad777e92d7d9fd280f9b2a0f372', -1, 1749426409, 1749426409, 'd849d878', 33, 0, 0)

Line : 190
File : sessions.php