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 ('f6f2255d6e9990ab16f0fac4e77dab8d', -1, 1715316191, 1715316191, '03933606', -4, 0, 0)

Line : 189
File : sessions.php