How To Fix LTR2_ES_CHECK126 - Missing link from table '&1' '&2' (parent position '&4')

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES_CHECK - LTR2 Checks on Embedded Specification

• Message number: 126

• Message text: Missing link from table '&1' '&2' (parent position '&4')

What causes this issue?

Each link defined for a data model in the BO editor which connects
tables of two different data models must be available as a child node of
its source data model in the embedded specification.
The mentioned link is available in the BO editor but missing in the ES.
Perhaps the link has been created in the BO editor after the business
objects have been added to the embedded specification.

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?

Execute the repair report attached to this message in order to add the
link to the embedded specification. Re-execute the check to validate
that the issue has been fixed.

Procedure for System Administrators

Structure Link Text: &V1& &V2&
Structure Link GUID: &V3&
Target Workset Position GUID: &V4&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_ES_CHECK126 - Missing link from table '&1' '&2' (parent position '&4') ?

  The SAP error message LTR2_ES_CHECK126 indicates that there is a missing link in the data model, specifically related to a parent-child relationship in the context of a table. This error typically arises in the context of SAP Logistics or when dealing with hierarchical data structures, such as in the case of master data or organizational structures.
  Cause:
  The error message LTR2_ES_CHECK126 is triggered when the system expects a link (or relationship) between two entities (tables) but cannot find it. This can happen due to several reasons:
  
  Data Inconsistency: There may be inconsistencies in the data where a child record is referencing a parent record that does not exist.
  Missing Entries: The parent entry in the specified table is missing or has been deleted.
  Configuration Issues: There may be issues in the configuration of the data model or the relationships defined between the tables.
  Transport Issues: If changes were transported from one system to another, some related objects might not have been transported correctly.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Data Integrity:
  
  Verify that the parent record exists in the specified table. You can do this by querying the database or using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser).
  Ensure that the child record is correctly linked to the parent record.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the tables involved. Ensure that the relationships between the tables are correctly defined.
  If applicable, review any custom developments or enhancements that might affect the data model.
  
  
  
  Data Correction:
  
  If you find that the parent record is missing, you may need to create it or restore it from a backup if it was deleted.
  If there are orphaned child records, you may need to either delete them or reassign them to a valid parent.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific tables and relationships to understand any specific requirements or constraints.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE16 (Data Browser), SE78 (SAP ArchiveLink), and others may be useful for checking data and configurations.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Data Model Documentation: Review the data model documentation for your specific SAP module to understand the expected relationships and data flow.
  
  By following these steps, you should be able to identify and resolve the issue causing the LTR2_ES_CHECK126 error message.