SAP ABAP Message Class MM Message Number 020 (The unit & is still used as the order unit for vendor &)
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 020  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20110908   
Message Text
The unit & is still used as the order unit for vendor &
Help Document

Diagnosis

The unit of measure is still used as the order unit in at least one purchasing info record and may not therefore be deleted.

System Response

Procedure

If you want to delete the unit of measure nevertheless, change the order unit to another unit in the purchasing info records concerned.

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