Error BE0031: For MS Help 2 builds, the HtmlHelpName property cannot contain spaces as they are not valid in the collection name.
Cause
This error occurs if there are spaces in the HtmlHelpName project property value.
Solution
The HtmlHelpName value is also used as the MS Help 2 collection name when building an MS Help 2 file. Spaces are not valid in collection names and must be removed from the property value.
See Also
Other Resources
