Enter qty counted or zero indicator for item &

What causes this issue?

For item &V1&, you have neither entered a count quantity nor set the
indicator for a zero count. The item is regarded as "not counted".

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 the count quantity. If the latter is 0, set the "zero count"
indicator.

Error message extract from SAP system. Copyright SAP SE.