Check for the whole merged dom content in
\Magento\Framework\Config\Dom::$validationState
You can observe the value of $this->dom
and see if any tag doesn’t meet requirements stated in xsd extension files
Check for the whole merged dom content in
\Magento\Framework\Config\Dom::$validationState
You can observe the value of $this->dom
and see if any tag doesn’t meet requirements stated in xsd extension files