Knowledge Base Article
CPanel: Trying to change FTP quota fails: "The server was not able to find the document (./frontend/monsoon/ftp/editquota.html) you requested . Please check the url and try again."
Solution
As root, run:
cd /usr/local/cpanel/base/frontend/monsoon/ftp
ln -fs ../../x/ftp/editquota.html editquota.html
ln -fs ../../x/ftp/doeditquota.html doeditquota.html