Enter a netting cycle in each contract item.

What causes this issue?

All items of the contract must contain a netting cycle, because the
contract will be assigned to an exchange. The netting indicator in this
contract is activated.

System Response

The system has detected items without netting cycle.

How to fix this error?

Add netting cycle into all items.

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.