SAP Message RSDME878 - No of Key(s) in the Extract is not the same as no. of Classified Objects

Diagnosis Number of Key(s) in the Extract used for ABC classification is not thesame the number of Classified object(s) defined in the model. System Response Duplicate records will not be conisdered for the ABC Classificationprocess. A warning message is raised as part of the Classification process. Procedure Try to make all the Key(s) from the Extract table as ClassifiedObjects(s), if they are meaningful for the model.