Physical inventory for & & & & is already active

What causes this issue?

In plant &V1&, storage location &V2&, the material/batch has already
been included in a <GL:physical_inventory_document>physical inventory
document</>. The physical inventory is active for this material/batch.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a different material or batch.
Do you want to <DS:TRAN.MI23>display</> the physical inventory data for
the material?
Do you want to <DS:TRAN.MI22>display</> the physical inventory
documents for the material?

Error message extract from SAP system. Copyright SAP SE.