Validation Output: 4 Errors
Line 434, Column 43: an attribute value specification must be an attribute value literal unless SHORTTAG YES is specified
<input type="hidden" name="Itemid" value=1 />
Line 434, Column 42: XML Parsing Error: AttValue: " or ' expected
<input type="hidden" name="Itemid" value=1 />
Line 434, Column 42: XML Parsing Error: attributes construct error
<input type="hidden" name="Itemid" value=1 />
Line 434, Column 42: XML Parsing Error: Couldn't find end of Start Tag input line 434
<input type="hidden" name="Itemid" value=1 />
...è sempre lo stasso errore, basta leggere cosa ti dice (bold) e sai qual'è il problema (bold)
M.