How To Fix LTR2_ES_CHECK326 - Check number of key fields

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES_CHECK - LTR2 Checks on Embedded Specification

• Message number: 326

• Message text: Check number of key fields

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_CHECK326 - Check number of key fields ?

  The SAP error message LTR2_ES_CHECK326 typically indicates an issue related to the number of key fields in a data structure or table that is being processed in the context of the SAP Landscape Transformation (SLT) Replication Server. This error often arises during the configuration or execution of data replication tasks.
  Cause:
  The error message LTR2_ES_CHECK326 is triggered when the number of key fields defined in the source table does not match the expected number of key fields in the target table or the configuration settings. This mismatch can occur due to:
  
  Incorrect Configuration: The source and target tables may not be correctly configured in the SLT system.
  Changes in Table Structure: If the structure of the source or target table has changed (e.g., additional key fields added or removed), it can lead to this error.
  Data Model Issues: The data model used for replication may not align with the actual database schema.
  
  Solution:
  To resolve the LTR2_ES_CHECK326 error, you can follow these steps:
  
  
  Check Table Definitions:
  
  Verify the key fields defined in both the source and target tables. Ensure that they match in number and data type.
  
  
  
  Adjust SLT Configuration:
  
  If there are discrepancies, adjust the SLT configuration to ensure that the correct key fields are being used. This may involve modifying the configuration in the SLT system.
  
  
  
  Reconfigure Replication:
  
  If the table structure has changed, you may need to reconfigure the replication settings. This can include stopping the replication, adjusting the configuration, and then restarting the replication process.
  
  
  
  Check for Data Model Changes:
  
  If there have been changes to the underlying data model, ensure that these changes are reflected in the SLT configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to SLT and the specific error message for additional guidance and troubleshooting steps.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the replication process to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  SLT Documentation: Review the official SAP documentation for SLT to understand the configuration and requirements for key fields in data replication.
  Community Forums: Engage with SAP community forums or support channels for shared experiences and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the LTR2_ES_CHECK326 error in your SAP environment.