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 ('59202a43793071f51c2acf958ce481b2', -1, 1747387541, 1747387541, '12e15c8a', 2, 0, 0)

Line : 190
File : sessions.php