phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6e39f5cb2b9276d12ab6cc2a323ecce3', -1, 1714517216, 1714517216, '03922523', -8, 0, 0)

Line : 187
File : sessions.php