On rare occasions, it may happen, that you only see “Help” button in the add-on menu and no other items:
How to get around it?
Unfortunately, you have to uninstall and install the add-on again.
Keep in mind the uninstallation of the add-on may result on deletion of all already saved uploads so you may have to configure them again in all you files. We wish there was a better way to get around this but unfortunately, there is not.
This is how to perform the uninstallation and the installation again: