Hey I have this problem with the move brush. All of a sudden, now when i move things, it makes a dent, or it cuts into the form creating this unwanted texture… How can i resolve this?
Thanks! 
try that :
Brush menu > Reset current brush.
if it doesn’t works, maybe it would be easier for us to understand your issue if you can post a screenshot of the unwanted behavior.
is the move brush currently set to Zadd or Zsub in the draw menu?
sounds like it’s behaving like if you have it set as Zsub, or if you’re holding alt while using the brush.