Creating USB on a laptop crashed MDS

I am attempting to create the mds on my MacBook Pro (15-inch, 2017) running the newest version of Mojave. The procedure barley gets started then MDS crashes.
Also it seems like the finished stick only works once, then I have to run the usb back thru mds to do “something”
What could I be doing wrong?

Are you on the latest version of MDS (1.8)? Also, you don’t need to recreated the drive each time. Are you booting from recovery?