Why is the clipping mask not working in Photoshop? help?

Question

Design

I need to throw a picture of concrete on a rectangle with a gradient, but when I create a selection mask, the concrete disappears and I don't know why.
file:///C:/Users/13/Desktop/666.jpg

file:///C:/Users/13/Desktop/777.jpg

Answer 1

We do not have access to your desktop. Upload images to any hosting.