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 ('b95a98c277aa86f97d6279a1679f936a', -1, 1748660308, 1748660308, '0390d339', -9, 0, 0)

Line : 190
File : sessions.php