cvc-elt.1: Cannot find the declaration of element 'MyElement'...

XML Schema Validation : Cannot find the declaration of element...

i get some error in sitemap xml type in laravel...

ORA-31061: XDB error: special char to escaped char conversion failed...

cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element...

XML won't validate against certain XSD...

The prefix "xsd" for element "xsd:schema" is not bound...