BSCMAKE Warning BK4502
Visual Studio 2013
truncated .SBR file 'filename' not in filename
A zero-length .sbr file that was not originally part of the .bsc file was specified during an update.
To fix by checking the following possible causes
Wrong filename specified.
File deleted. (Error BK1513 results.)
File corrupted, requiring BSCMAKE to do a full build.