Why PO Receipt Got Stuck in Pending Status?

Summary:

We have this PO, which was received on June 14, 2024. However, this does not display on the PO View Details Page.

That is why we are attempting to conduct another receiving, but we have an error stating that "You must enter a transaction that is equal to or less than the quantity to receive."

Upon running a diagnostic test, Based on the result, they are stuck in Pending status.

We're able to resolve the issue by running Manage Receiving Transactions ESS job to process the pending receipt.

The question is, why did this receipt get stuck?

Content (please ensure you mask any confidential information):