How to enter subinventory while receiving Inventory destination type PO in My receipts

Summary:

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There is no sub-inventory field to enter while receiving the Inventory destination type PO in RSSP My Receipts (New). Instead it gives an error asking to setup defaults. But we used to have the ability to enter subinventory while receiving in classis SSP

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

Code Snippet (add any code snippets that support your topic, if applicable): 26A