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 ('c9094c4a8edd1c504c80dd7df5fc7d6f', -1, 1715036409, 1715036409, '127551f0', -7, 0, 0)

Line : 189
File : sessions.php