SAP ABAP Message Class WER Message Number 283 (Target table cannot be modified since it has already been assigned)
Hierarchy
SAP_APPL (Software Component) Logistics and Accounting
   LO-MD-MM (Application Component) Material Master
     WER_DDIC (Package) Dictionary
Attribute
Message class WER  
Short Description Messages for the package WER    
Message Number 283  
Documentation status   3   The short text describes the object sufficiently
Authorization check Error Message      
Changed On 20130531   
Message Text
Target table cannot be modified since it has already been assigned
History
Last changed on/by 20130531  SAP 
SAP Release Created in   700