The quantity entered is too high

What causes this issue?

You entered a quantity of &V1& &V2&.

System Response

The entered quantity is greater than the open quantity of &V3& &V2& and
is therefore not allowed.

How to fix this error?

Correct the quantity you entered.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.