How To Fix 42857 - You are linking to substructure(s)in &1 area(s):&2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 857

• Message text: You are linking to substructure(s)in &1 area(s):&2 &3 &4

What causes this issue?

Substructures can only be included in other structures.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you still want to use the structure in your substructure, convert
the link to the substructure to an include.
Proceed as follows:
Note down the technical name of the substructure.
Remove the link to the substructure from your structure.
Position the cursor on the substructure.
Choose <LS>Info object</> -> <LS>Remove from structure</>.
Include the substructure.
Position the cursor at the location where the substructure should be
inserted.
Choose <LS>Info object</> -> <LS>Insert</> -> <LS>At same level/as
subnode</>.
The <LS>Insert Info Object</> dialog box appears.
Choose <LS>Use existing info object</>.
Mark <LS>Structure</> in the <LS>Info Object Class</> dialog box.
The <LS>Find Info Object</> dialog box appears.
Enter the technical name of the substructure and start the search.
Select the substructure and copy the selection.
The <LS>Structure <Structure name></> dialog box appears.
Select <LS>Include</>.
The substructure is included in your structure.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 42857 - You are linking to substructure(s)in &1 area(s):&2 &3 &4 ?

  The SAP error message 42857 typically occurs when there is an attempt to link to substructures in a specific area that is not allowed or is incorrectly configured. This error is often related to the configuration of data structures in the SAP system, particularly in the context of data modeling or when working with structures in ABAP.
  Cause:
  The error message indicates that you are trying to link to substructures in certain areas that are not permitted. This can happen due to several reasons:
  
  Incorrect Configuration: The data structure or the configuration of the area does not allow linking to the specified substructures.
  Data Model Issues: There may be inconsistencies or errors in the data model that prevent the linking of substructures.
  Authorization Issues: The user may not have the necessary authorizations to perform the linking operation.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Configuration: Review the configuration of the data structures involved. Ensure that the substructures you are trying to link are correctly defined and allowed in the specified area.
  Review Data Model: Look for any inconsistencies in the data model. Ensure that all necessary relationships and dependencies are correctly established.
  Authorization Check: Verify that the user has the necessary authorizations to perform the linking operation. If not, you may need to adjust the user roles or permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on linking substructures in the context you are working with.
  Debugging: If the issue persists, consider using debugging tools to trace the exact point of failure and gather more information about the error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed guidance based on your specific system configuration and context.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.