I found the bug and fixed it. But at the moment I don’t want to make a new release. To help you out I have updated the github repository. You find a compiled ARM32 version at
You have to replace all the files in the V-Control directory and sub directories with the files from github. After that make V-Control executable again. To do that open a file manager on the raspberry, navigate to the V-Control binary (V-Control4_Lin) and right click the file. Then select the tab permissions and select “allow execute”.