Element is empty
During an import operation, Content Importer encountered a DITA object that contained an invalid empty element or attribute.
You receive the following error after you perform an import operation:
The plugin "ValidatedTD" returned the following error: "Element cannot be empty according to the DTD/Schema.
The DITA content does not conform to the Content Manager DTDs.
Check the DITA source file. Ensure that all elements that require an @href attribute have an @href attribute.