SAP ABAP Message Class AREN Message Number 211 (&1: Projection must include the business key (see long text))
Hierarchy
SAP_ABA (Software Component) Cross-Application Component
   CA-FS-ARE (Application Component) Archiving Engine
     ARFA_ARCHIVING_ENGINE (Package) Archiving Engine
Attribute
Message class AREN  
Short Description Messages - Archiving Engine    
Message Number 211  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20130531   
Message Text
&1: Projection must include the business key (see long text)
Help Document

Diagnosis

All fields for the business key must be in the projection.

The following fields do not meet this condition:

History
Last changed on/by 20130531  SAP 
SAP Release Created in   30