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 ('a5e932c87181071f8bbce0e2b2767b2b', -1, 1715227672, 1715227672, '038dc7f3', 7, 0, 0)

Line : 189
File : sessions.php