No output after running command.

[VMM-MMV]

I run the command.
D:/OpenCV/build/x64/vc15/bin/opencv_traincascade.exe -data 008_cascade_classifier/cascade -vec pos.vec -bg 008_cascade_classifier/neg.txt -w 300 -h 300 -numPos 200 -numNeg 100 -numStages 10
But I get no output, no error, no success.
Here's how it looks in full.
PS C:\Users\VM\Documents\GitHub\opencv_tutorials> D:/OpenCV/build/x64/vc15/bin/opencv_traincascade.exe -data 008_cascade_classifier/cascade -vec pos.vec -bg 008_cascade_classifier/neg.txt -w 300 -h 300 -numPos 200 -numNeg 100 -numStages 10
PS C:\Users\VM\Documents\GitHub\opencv_tutorials>