Same issue. Clicking refresh on the data source just says "try again". I'm not seeing any errors logged in the dev tools console or anything.
Also, all my gallery controls are broken. They don't show any of the controls within them and just say "Add an item from the insert tab or connect to data". Creating a new gallery control, and adding controls within seems to work ok, though. I'd hate to have to recreate all the gallery controls.
Hi All - we are aware of this issue and our team is working on correcting it now - this is also being tracked at : https://powerusers.microsoft.com/t5/Connecting-to-Data/Data-Source-Unable-to-refresh-Try-again/m-p/1...
Thanks all - our team is working on getting a fix for this issue rolled out today - I will confirm with this thread once we've able to correct it.
Before seeing this thread I filed this under another ticket,
same issue in both our Enterprise Tenant and my Personal Tenant. Refresh fails on SharePoint Lists.
Thank you all for your patience, we have identified a fix and are in the process of testing and releasing it to environments - I will update this thread once it is avaiable in production.
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