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 ('02695c2783c0d73e68e78376ba34d202', -1, 1715122789, 1715122789, '031677fb', -4, 0, 0)

Line : 189
File : sessions.php