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 ('7e993b3beabfa0b5774a9651336f0fb4', -1, 1715036721, 1715036721, '12df7ddb', 2, 0, 0)

Line : 189
File : sessions.php