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 ('55231fb1a8c54cab3e1f2a2d0b039ada', -1, 1715117995, 1715117995, '0390f3b8', -10, 0, 0)

Line : 189
File : sessions.php