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 ('38066f8a7e2a3b7792ebc9f256a938a0', -1, 1715143678, 1715143678, '0390d491', -7, 0, 0)

Line : 189
File : sessions.php