When a PO is cancelled, Why can't I reuse the line in Process Requestions

Summary:

Hi,

I have a PR that has two lines:

Line Amount Status Funds Status Order Status
1 100 Approved Liquidated Cancelled

2 200 Approved Reserved

For line 1, the PO was issued but was then cancelled, but the line is still not available to choose in Process Requisitions, is this normal?
If it is normal does that mean that the 100 is now available in the budget and I can issue a new PR with that amount?

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