cannot access system patch

[deknoy]

I can't access menu "system -> patch". it show '404 Not Found
nginx'. How i fix it? please share me. Thank you.

[jimp]

Reinstall the package. Go to System > Packages and if it's on the Installed Packages tab, click the icon to reinstall. If it doesn't show there, go to the Available Packages tab, find it there and install it again.