SAP ABAP Message Class MM Message Number 647 (The material type cannot be changed because the material is locked)
Hierarchy
BBPCRM (Software Component) BBPCRM
   CRM (Application Component) Customer Relationship Management
     CRM_APPLICATION (Package) All CRM Components Without Special Structure Packages
       MG (Package) Application development R/3 material master prior to 3.0
Attribute
Message class MM  
Short Description Messages for material master maintenance and Customizing    
Message Number 647  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20110908   
Message Text
The material type cannot be changed because the material is locked
Help Document

Diagnosis

The material type has been defined as lock-relevant in Customizing for the Material Master in Define Lock-Relevant Fields, and the material master record has been locked. As a result, the material type cannot be changed.

System Response

Procedure

Procedure for System Administration

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