SAP ABAP Message Class AC Message Number 191 (& &: Real depreciation areas can only be subtracted!)
Hierarchy
BBPCRM (Software Component) BBPCRM
   CRM (Application Component) Customer Relationship Management
     CRM_APPLICATION (Package) All CRM Components Without Special Structure Packages
       AC (Package) Application Development R/3 Assets: Customizing
Attribute
Message class AC  
Short Description Error messages from Asset Customizing    
Message Number 191  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20130531   
Message Text
& &: Real depreciation areas can only be subtracted!
Help Document

Diagnosis

You defined derived depreciation area only with depreciation areas that are subtracted.
For a definition to make sense, however, at least one area must be added.

System Response

Procedure

Check your specifications for depreciation area in chart of depreciation .

History
Last changed on/by 20131127  SAP 
SAP Release Created in