SAP ABAP Message Class 06 Message Number 543 (Reference and target are identical (please check your input))
Hierarchy
BBPCRM (Software Component) BBPCRM
   SRM-EBP (Application Component) Enterprise Buyer
     BBP_APPLICATION (Package) Structure Package EBP
       ME (Package) Application development R/3 Purchasing
Attribute
Message class 06  
Short Description Purchasing Document    
Message Number 543  
Documentation status      
Authorization check Error Message      
Changed On    
Message Text
Reference and target are identical (please check your input)
History
Last changed on/by 20130531  SAP 
SAP Release Created in