I can't delete the pattern

[Vocaluster]

Hey, I'm really new on Marvelous Designer, and I get stuck on my first project. I just bought techwear template so I can learn it, but I can't change the color on some parts and that pattern can't be delete, I really Need a help
here's the image link :
https://drive.google.com/file/d/1bXpEYi ... sp=sharing

[Vocaluster]

There's a a green pattern there, I can't move it or delete it..
https://drive.google.com/file/d/1xxKW4G ... sp=sharing