Error BE0019: Unable to transform template '[file]': [error]
Cause
The specified template file contains replacement tags that could not be evaluated or replaced due to the indicated problem.
Solution
The most likely cause is a misspelled replacement tag name or one that is not recognized. Refer to the error message for information about the cause. If you are unable to resolve the issue, open a work item in the Sandcastle Help File Builder project at CodePlex containing the details from the error message and attach a small example project with any related files that can be used to duplicate the problem.