phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8ffd47461c876241b744b0e726d67e1c', -1, 1715010081, 1715010081, '0390194a', -10, 0, 0)

Line : 189
File : sessions.php