Getting the following errorThe gadget you added is not validUnsupported

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buildyourtour
Asked on May 14, 2012 at 07:51 PM

Getting the following error
The gadget you added is not valid
Unsupported feature: org.apache.shindig.common.xml.XmlException: Content is not allowed in prolog. At: (1,1)

This is a re-post of a comment on Adding a Form to Google Sites
JotForm Support

abajan
Answered on May 14, 2012 at 08:59 PM

Well, I've "Googled" the internet for that exact error and 100 results were returned. One of the users (kingmanishrules) at this link suggests that the cause may be too many apps. If you have other apps embedded in your site, try removing some of them and let us know if that helps.