2964990 - Error during import of "Trigger Rules - Rules Context"

You are trying to import "Trigger Rules - Rules Context" but you are receiving the error 1. You are not allowed to enter the value for the field externalCode with the type Auto Number in the object ECElementRuleContextConfig to prevent data corruption. The value for this field type is always set by the system.  

• SAP SuccessFactors HXM Suite 
• SAP SuccessFactors Employee Central 

import, rules trigger, rules context, import and export data, failed, 1. You are not allowed to enter the value for the field externalCode with the type Auto Number in the object ECElementRuleContextConfig to prevent data corruption. The value for this field type is always set by the system.   , KBA , LOD-SF-EC-EDP , Import Employee Data (EC Core only) , Problem