BE0043: Unexpected error detected in the last build step

Error BE0043: Unexpected error detected in last build step. See output above for details.

This error occurs when a build step fails unexpectedly. This condition is detected by monitoring the build step output for certain keywords that may indicate a failure.

Review the build log output just prior to the point of this error and look for other error or warning messages that may have contributed to the problem. If you cannot resolve the problem, please post a message in the Sandcastle Help File Builder discussion forum asking for help along with the details from the build log.

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