SAP ABAP Message Class 06 Message Number 021 (Not possible to process a purchase order using this function)
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 021  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20130531   
Message Text
Not possible to process a purchase order using this function
Help Document

Diagnosis

You have entered a document that cannot be processed using the selected function.

Procedure

Check the document number you entered.

History
Last changed on/by 20130531  SAP 
SAP Release Created in