how to return to 'Ready' from 'In Process' for OSP operation

Summary:

how to return to 'Ready' from 'In Process' for OSP operation?

Return to Receiving and Return to Supplier is grayed out we are not able to return the OSP item to back to supplier.

Content (required):

We have OSP Operations PO receipt done without the shipment, thereby our OSP work order is not completing, how can return OSP PO and then do the OSP WO shipment and do the PO receipt again, like this we have thousands of OSP work order; how to correct it in mass way.

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

23B

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