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 ('8ac907905705a5a3d4bb7f1be93be1dc', -1, 1750020174, 1750020174, 'd849d897', 2, 0, 0)

Line : 190
File : sessions.php