So I'm working with Unity and TextMesh Pro to make a menu for my game, and I keep getting these random lines on all of my text. (see image)
I'm using Roboto bold as my font, I imported it into unity and converted it to a TMP Font Asset, if it helps. Any help is appreciated!
Find the generated SDF file in your project, then find the subheader setting called Generation Settings. Your Padding should be about 1/10th of your Sampling Point Size. 
As you see in my example text, the Sampling Point Size was generated to be about 116 when imported, so I set the Padding to be 12, or roughly 10% of the Sampling Point Size. I would mess around with the Padding number until you are happy with the results.
