SAP ABAP Message Class RMSL_WUI Message Number 303 (You can only aggregate group items and not the groups themselves)
Hierarchy
☛ EA-APPL (Software Component) SAP Enterprise Extension PLM, SCM, Financials
   ⤷ PLM-RM (Application Component) Recipe Management
     ⤷ RMSL (Package) Labeling Application
Attribute
Message class RMSL_WUI  
Short Description Labeling Web UI: RMSL Class Messages Converted for Web UI    
Message Number 303  
Documentation status   3   The short text describes the object sufficiently
Authorization check Error Message      
Changed On 20130531   
Message Text
You can only aggregate group items and not the groups themselves
History
Last changed on/by 20130531  SAP 
SAP Release Created in   605