SAP ABAP Message Class AH Message Number 901 (You cannot manually maintain operand &1)
Hierarchy
IS-UT (Software Component) SAP Utilities/Telecommunication
   IS-U-BI (Application Component) Contract Billing
     EE20 (Package) IS-U: Billing
Attribute
Message class AH  
Short Description IS-U billing (master data)    
Message Number 901  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20050224   
Message Text
You cannot manually maintain operand &1
Help Document

Diagnosis

You have tried to manually maintain values for operand , or you have not used the master data generator of CRM for automatic maintenance.

This is not possible for product-related operands.

System Response

Procedure

Procedure for System Administration

History
Last changed on/by 20110810  SAP 
SAP Release Created in