2716682 - Instance Sync: Document Generation Sync completed with errors

When performing an Instance Sync between a source and destination instance for Document Generation Templates, the job completes with errors. When reviewing the response you see something similar to the following -:

The following validation error occurred:For entity [Document Generation Template.Template ID : 12345, MappingDocument.mappingDocumentId : 12346, MappingToken.externalCode : 12347, externalCode : 12348, Document Generation Template.Effective Start Date : 01/01/2018 ] related to parent via path : mappingDocuments.mappingTokens.baseObjMappingTokenMeta encountered error - 1. You are not allowed to enter the value for the field externalCode with the type Auto Number in the object MappingTokenMeta to prevent data corruption. The value for this field type is always set by the system.

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• SAP SuccessFactors Employee Central
• Document Generation

In attribute requires non-null value, ECT-107762, instance sync, document generation, You are not allowed to enter the value for the field externalCode with the type Auto Number in the object MappingTokenMeta to prevent data corruption. The value for this field type is always set by the system, ec, XAF-20659 ,Validation of AutoNumber fields in Import Controller, Import, Export, Template, Mapping, KM-7895 , KBA , LOD-SF-EC-DOC , Document Generation , How To