DVR 15 bug

Pretty sure I found a bug in v15 release FREE version.

I added several clips to a new project and then selected all and started the "Generate Optimized Media".
After a few minutes crashed DVR.
Repeated with same result.

What I found was that one of the MP4 clips was not an MP4 but a .jpg. Of course I know that that is a no-no. My bad. Works great after removing the Jpeg.
But DVR code should not have crashed. Stop yes and report an error.

Thanks.
kentek

So, why am I having this problem?
New Project, New Bin #1- Import .MP4 file, no issues.

New Bin #2 Import Media Select 6 .JPG files. Attempt to drag to Bin #2.

BOOM!

Crash.

What am I missing here?

Ha, On a new project if you don't save immediately you can crash at ease.

Second attempt just worked after I saved new project.