Take a look here, W sign means / ( windows in korean version)What you're saying is that your local directories contain the ONLY copy of your code.
It has meaning, version defers a lot. Most of the time I resolved errors those are arising for choosing wrong file path in project>C2000 compiler> Include. Sometimes those collapse for version issues. This project was build successfully with 2013 version of C:\F2806x_common\include or C:\F2806x_header\include. TI suggested to use C2000Ware but previous files are conflicting with same rate!You have no means of comparing two versions (one working, one not working).
You have no means of getting back to a working version other than editing the code and a good memory for the things you did.
