SAP ABAP Message Class 01 Message Number 560 (& is not an object class. (Please choose an obj. class available.))
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-SEC-USR-ADM (Application Component) User and Authorization Management
     SUSR (Package) ABAP User Administration
Attribute
Message class 01  
Short Description General Basis, e.g. user and authorization maintenance    
Message Number 560  
Documentation status      
Authorization check Error Message      
Changed On    
Message Text
& is not an object class. (Please choose an obj. class available.)
Help Document

Diagnosis

You are attempting to create a new application area and have chosen a name, which does not exist as an object class.

System Response

Only application areas, which are also object classes, are allowed.

Procedure

Display a list of the available object classes (F4) and choose one of these classes.

History
Last changed on/by 20140121  SAP 
SAP Release Created in