Unsupported feature: At least 1 ModulePrefs is required


I have received this error message. What do I need to do to fix the error?


Where are you seeing this error message?


I suppose a little background information is helpful :slight_smile:
When I am trying to embed the twitter feed on my google site, I received this message. Steps I have done so far:

  1. created document with the code for the embedding
Tweets from https://twitter.com/MMClassChamps/classroom-champions
  1. Saved the document as .xml
  2. Uploaded the document in my site under “attachments”
  3. Copied the URL for this attachment
  4. Inserted gadget by URL and pasted the URL as
  5. Then I save and get the message.above