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 ('3521f6b7f72468e75bb81e001fb2f03a', -1, 1748494171, 1748494171, '038dc41e', -2, 0, 0)

Line : 189
File : sessions.php