Creating mask from polygon

I am trying to create a mask using the polygon drawing tool. The problem is that I cant see the mask in the “mask manager”. I can find the mask in the “product explorer” window, but not in the “mask manager”. Why it does not appear in the mask manager?

Actually it should show up immediately in the mask manager. This is a bug (SNAP-729, SNAP-538). I guess you are using Sentinel-2 data. It is related to the multi-resolution content of the product. The masks are shown only on the bands which match the product resolution. Which is the highest. After resampling the S2 product the geometries are shown in the mask manager.

It works now after resampling. Thanks for your help