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 ('c3a28bf06c9e7d72a3d12dca0339bdb4', -1, 1749474228, 1749474228, 'd849d80b', 2, 0, 0)

Line : 190
File : sessions.php