How To Fix LTR2_ES_CHECK127 - Source data model '&1' is not valid; link will be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES_CHECK - LTR2 Checks on Embedded Specification

• Message number: 127

• Message text: Source data model '&1' is not valid; link will be deleted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_ES_CHECK127 - Source data model '&1' is not valid; link will be deleted ?

  The SAP error message LTR2_ES_CHECK127 indicates that there is an issue with the source data model specified in the context of SAP Landscape Transformation (SLT) or Data Replication. The message states that the source data model is not valid, and as a result, the link associated with it will be deleted.
  Cause:
  
  Invalid Source Data Model: The source data model specified in the configuration may not exist, may have been deleted, or may not be properly defined.
  Configuration Issues: There could be issues with the configuration settings in the SLT system that are causing the data model to be recognized as invalid.
  Changes in Source System: If there have been changes in the source system (like changes in the database schema, table structures, or data model), it may lead to this error.
  Transport Issues: If the data model was transported from one system to another, it may not have been transported correctly, leading to inconsistencies.
  
  Solution:
  
  Verify Source Data Model: Check the source data model specified in the error message. Ensure that it exists and is correctly defined in the SLT configuration.
  Recreate or Adjust the Data Model: If the data model is missing or incorrect, you may need to recreate it or adjust the existing one to ensure it meets the requirements.
  Check Configuration Settings: Review the SLT configuration settings to ensure that they are correctly set up and that there are no discrepancies.
  Review Changes in Source System: If there have been recent changes in the source system, ensure that the SLT configuration is updated accordingly to reflect those changes.
  Transport Validation: If the data model was transported, validate the transport to ensure that all necessary objects were included and correctly configured in the target system.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like LTRC (for SLT configuration) to check the status of the data model and replication settings.
  Logs and Traces: Check the SLT logs and traces for more detailed information about the error and any related issues.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for SLT for guidance on configuring data models and troubleshooting common issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.