The element name in a start tag must be one of those declared in the DTD. The name in the tag has not been declared, but is close in its spelling to a declared element's name. That element has been used.
#0113 Markup Error
ISO 8879, 4.306
The element name in a start tag must be one of those declared in the DTD. The name in the tag has not been declared, but is close in its spelling to a declared element's name. That element has been used.