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 ('16471005e9b5a7e6afaf4079e91ad07a', -1, 1715153793, 1715153793, '12daacf9', 7, 0, 0)

Line : 189
File : sessions.php