SAP ABAP Message Class OM Message Number 511 (Quantity structure type &1 is already being used. You cannot change it)
Hierarchy
BBPCRM (Software Component) BBPCRM
   CRM (Application Component) Customer Relationship Management
     CRM_APPLICATION (Package) All CRM Components Without Special Structure Packages
       MB0C (Package) Customizing R/3 inventory management
Attribute
Message class OM  
Short Description Customizing: Materials Management    
Message Number 511  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20110908   
Message Text
Quantity structure type &1 is already being used. You cannot change it
Help Document

Diagnosis

You want to change the time-dependency. As the quantity structure category is already used with this control, and there are mixing ratios, you can no longer change the time-dependency.

System Response

The system has restored the original control.

Procedure

Procedure for System Administration

History
Last changed on/by 20110908  SAP 
SAP Release Created in