Quantity entered $ exceeds target quantity $ in contract

What causes this issue?

When creating a release order against a contract, you specified a
quantity that exceeds the target quantity set out in the contract.

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?

Either change the target quantity in the contract or reduce the
quantity in the release order.

Error message extract from SAP system. Copyright SAP SE.