As a Wix Website Designer, I sometimes run into issues that stump me. Today, I ran into this issue with client website's Repeater Dataset not being able to connect to their Events.. here's the solution. Wix Issue: When I tried to edit my Events dataset for my Repeater, in the Dataset Settings panel it gave me an error: "This collection is unavailable. Go to Advanced Settings in the Content Manager to show hidden Wix App Collections. Create a collection with the same name to restore a delete