Element content is invalid
During an import operation, Content Importer encountered markup errors.
You receive the following error after you perform an import operation:
The plugin "ValidatedTD" returned the following error: "Element content is invalid according to the DTD/Schema. Expecting Xwhere X is the name of the DITA element.
The DITA content does not conform to the Content Manager DTDs.
Check the DITA source file and correct any markup errors.