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 ('b4a1a16ba31ce7e1b9b83e2745e1e653', -1, 1749725439, 1749725439, 'd849d891', 2, 0, 0)

Line : 190
File : sessions.php