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 ('5a88f55f9bab48a8a6bb110e48fe1b13', -1, 1751425088, 1751425088, 'd849d81c', 39, 0, 0)

Line : 190
File : sessions.php