SAP Message CC191 - System status: the ECR is not yet converted to an ECO

Diagnosis
You want to process an object (for example, BOM or document) withreference to the change number of an ECR.

System Response
The system checks the system status of the ECR. The ECR must beconverted to an ECO.

Procedure
The ECR you selected has not yet been converted to an ECO.
You cannot process the change object with reference to this changenumber until you convert the ECR (system status "Convert ECR").
Change ECR