Elements from namespace 'http://www.w3.org/2001/XInclude', other than 'include', are not allowed to be children of 'fallback' elements. However, '{0}' was found.

名前空間http://www.w3.org/2001/XIncludeからの要素は，include以外はfallback要素の子にできません。しかし，{0}がありました。