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 ('4db2fe95ea195d35587d1df749ad9ada', -1, 1715313359, 1715313359, '03155d2c', -2, 0, 0)

Line : 189
File : sessions.php