SAP ABAP Message Class NG Message Number 638 (Once you have saved, you can only make changes by canceling)
Hierarchy
BBPCRM (Software Component) BBPCRM
   CRM (Application Component) Customer Relationship Management
     CRM_APPLICATION (Package) All CRM Components Without Special Structure Packages
       NMED (Package) R/3MED: Medical documentation GSD
Attribute
Message class NG  
Short Description IS-H*MED: Medical documentation (GSD)    
Message Number 638  
Documentation status   3   The short text describes the object sufficiently
Authorization check Error Message      
Changed On 20050224   
Message Text
Once you have saved, you can only make changes by canceling
History
Last changed on/by 20130531  SAP 
SAP Release Created in