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 ('084743e2c6a3383fa4ef4634fb8c88ab', -1, 1749670997, 1749670997, 'd849d836', 42, 0, 0)

Line : 190
File : sessions.php