SAP ABAP Message Class 42 Message Number 055 (You cannot change the status of different object classes)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   KM-KW (Application Component) Knowledge Warehouse
     SIWB (Package) Information Workbench
Attribute
Message class 42  
Short Description Information Workbench    
Message Number 055  
Documentation status   3   The short text describes the object sufficiently
Authorization check Error Message      
Changed On 20130531   
Message Text
You cannot change the status of different object classes
History
Last changed on/by 20141121  SAP 
SAP Release Created in