SAP Knowledge Base Article - Public

2667407 - Error: "More Than One Entry Without Predecessor Exists Below Header" During the Migration of Bill of Operations


You are migrating Bill of Operations using the migration tool and you receive the following error messages:

"More than one entry without predecessor exists below header"
"Not all elements are connected to each other below header"


SAP Business ByDesign.

Reproducing the Issue

  1. Go to the Business Configuration work center, in Overview view.
  2. Search for Migration of Bill of Operations and open the activity.
  3. Select the template and click on Execute Migration, then click on Step by Step.
  4. Receive the errors during the Simulation step.


This error is occurring because the IDs from Operation ID, Mark ID and Activity ID are not maintained in uppercase letters. Ideally all IDs should be maintained in the same way they are displayed in UI, always uppercase.


To avoid the errors, you should maintain all IDs in uppercase letters.


migration of bill of operations, error, operation and mark, activity , KBA , AP-PMM-PBO , Production Bill of Operations , Problem


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