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 ('594b2d69bb0b96d99d6aff073149f9fd', -1, 1715067981, 1715067981, '03850cac', 4, 0, 0)

Line : 189
File : sessions.php