Message SAP X4017 - Component &1: Operation not found in order &2

Diagnosis
In order &V2&, the component or item with material number &V1& was addedin an external system. This should now be implemented in the order inSAP ECC. For this, it was set that the new component should be assignedto the operation with the internal key (APLZL) &V3&. However, anoperation with this internal key does not exist in SAP ECC for orderV2.

System Response
The processing of order &V2& is terminated.

Procedure
Check the data that was transferred from the external system to SAP ECCor check the data in the external system.