The InvalidResourceSpecificationDefinedFault element cannot have "xsi:nil" as an attribute.
The InvalidResourceSpecificationDefinedFault element in XML instance can be substituted with other elements.
XML Instance
Invalid resource specification defined fault. Generated if
the resource specification required for this component to function is
improperly defined.
<xhtml:p>Invalid resource specification defined fault. Generated if
the resource specification required for this component to function is
improperly defined.</xhtml:p>