It can be done, but is likely not the issue and would take much longer to Render to Compressed File.
The Wav should work.

I assume you've checked the folder the original WAV file was in and the Realband folder (?) Just to see.
This is a strange one. People have trouble rendering to mp3, but you seem to complete the render .. then no file .. weird.
I'll try to think of something else to check.


Make your sound your own!
.. I do not work here, but the benefits are still awesome