Why are we receiving error The destination subinventory is invalid for the item (POR-2010317

Summary:

We are receiving error when trying to enter a manual requisition for inventory replenishment. When trying to approve the requisition we are receiving this error. The destination subinventory is invalid for the item (POR-2010317)

Content (required):

We are manually enter a req for inventory replenishment to the supplier. I am including all the set-up screens and the requisition screens. I cannot find an issue with our set-up.

Version (include the version you are using, if applicable):

21D

Code Snippet (add any code snippets that support your topic, if applicable):