Project will not export ODB++, Exception code is blank

Thanks for sending the sample workspace file, it was helpful to determine the problem.   The issue came directly from the GZIP library (inside FAB3000) and stated:  Error extracting: [103] Compressed name of file is too long for tar header.  I have forwarded this error message to the developers of the GZIP library to resolve.  

In the meantime, I would recommend exporting your ODB++ using Zip compression (see image below):