Message SAP X4221 - No production version has been entered in ECC order &1

Diagnosis
In the ECC production order &V1& (material &V2&, plant &V3&), noproduction version has been entered, although the corresponding order inSAP APO has a reference to a PPM.

System Response
The master data in the ECC order is read with the production versiontransferred from SAP APO, before the order is processed further.

Procedure for System Administration
For the integration of production orders with SAP APO and the use ofPPMs for the orders in SAP APO, a production version must be entered inthe ECC order.
The production version is automatically entered in the production orderwhen a production order is created in SAP ECC, if the indicator forselecting alternative BOMs is set in the material master to Selection byproduction version or Selection only by production version.

Procedure for System Administration
Production version transferred from SAP APO: &V4&