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The broken fragment error is telling you that somehwere you have such a fragement identifier in the href url but the page that it targets does not have any code such as either <foo id="qwerty"> or <a name="qwerty">
You should either drop the fragement identifier from the link altogether, or add the actual fragment to the target page.
FAQ: Choosing the best doctype for your site [webmasterworld.com]