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 ('df7741bb8c33f685ebf1e12ad2aa1a4a', -1, 1715216542, 1715216542, '340ee0c5', -11, 0, 0)

Line : 189
File : sessions.php