So, I'm going to take a hit on this issue, even without any information. Based on the XML sample that you provided, your XML is incorrect. You have at least two questions. The first is a tag without the corresponding close tag. Secondly, you use a namespace without declaring it. To fix this problem, change this:
<val:root>
For this:
<val:root xmlns:val="http://www.w3.org/TR/html4/">
Or use a more appropriate URI if you want.
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