The following modifications have been done to PO Approval process in RMS:
1. When the screen processes the PO, if any PO has been approved or rejected by another PO batch, the order will be excluded from the current batch.
2. When the screen processes the PO, if any PO has been cancelled, the order will be excluded from the current batch.
3. When the screen failed to process any PO, the order will be excluded from the current batch.
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