This exciting addon in VEGASpro19 has urgent bug to strangulate!
After you finished the detection and splitting, all scene-clips seem OK:

But redraw them onto timeline, they all have one blackhead frame.
I solved this problem momentarily so: Copy the splits from VEGAS19 to VEGAS18, there you see what's wrong --

With the free Quantize-to-Frames Script I can force every split really quantized.

After batch-render and reload into timeline, I get perfect scenesclip both in VEGAS18 and VEGAS19:
