Uninstalling and reinstalling FB app
If you are missing a Facebook permission, you'll need to uninstall and reinstall the FB app from your FB business page. The 3 steps below show you how to do this:
1) Go to https://www.facebook.com/settings?tab=business_tools and remove the "SoldLive" app:
2) Then disconnect your FB page from your Settings by clicking on the "disconnect to change" link:
3) Reconnect your FB page and be sure to accept all the Facebook permissions it asks for.