SAP ABAP Message Class MM Message Number 634 (Material &1 cannot be locked because scheduled changes exist)
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 634  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20110908   
Message Text
Material &1 cannot be locked because scheduled changes exist
Help Document

Diagnosis

Scheduled changes to lock-relevant fields exist for the material . The material can be locked only after the scheduled changes have been activated.

System Response

Procedure

Procedure for System Administration

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