How To Fix LTR2_BASIS_CHECK304 - Missing differentiation

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_BASIS_CHECK - LTR2 Messages of Checks in Check Framework

• Message number: 304

• Message text: Missing differentiation

What causes this issue?

There is at least one root-table which is without a differentiation.

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?

Define the missing differentiations for the sub-business object. Select
the rows of the root tables of the data models of the sub-BO in the tab
"Object Definition". There, you must double-click on column
"Differentation" in order to maintain the missing differentiations.
Alternatively, you can unmark the check-box "Table relevant for
Sub-Business Object".

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 LTR2_BASIS_CHECK304 - Missing differentiation ?

  The SAP error message LTR2_BASIS_CHECK304 with the description "Missing differentiation" typically occurs in the context of the SAP Landscape Transformation (SLT) Replication Server. This error indicates that there is a problem with the configuration of the data replication process, specifically related to the differentiation of data records.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Key Fields: The source table may not have a unique key or differentiation fields defined, which are necessary for the replication process.
  Incorrect Configuration: The configuration settings in the SLT system may not be set up correctly, leading to issues in identifying unique records.
  Data Model Issues: The data model in the source system may not align with the expectations of the SLT configuration, causing the differentiation to fail.
  
  Solution:
  To resolve the LTR2_BASIS_CHECK304 error, you can follow these steps:
  
  
  Check Source Table Configuration:
  
  Ensure that the source table has a primary key or unique fields defined. This is crucial for SLT to differentiate between records.
  
  
  
  Review SLT Configuration:
  
  Go to the SLT configuration and verify that the settings for the table replication are correct. Check the mapping of fields and ensure that the differentiation fields are properly configured.
  
  
  
  Adjust Data Model:
  
  If the source data model does not support differentiation, consider modifying it to include necessary key fields or unique identifiers.
  
  
  
  Reconfigure Replication:
  
  If changes are made to the source table or SLT configuration, you may need to reconfigure the replication settings. This can involve stopping and restarting the replication process.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for SLT and the specific error message for additional context and troubleshooting steps.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches that may address this specific error or provide updates to the SLT system.
  
  
  
  Related Information:
  
  SAP SLT Documentation: Review the official SAP documentation for Landscape Transformation to understand the requirements for data replication and differentiation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and your configuration.
  
  By following these steps, you should be able to identify and resolve the cause of the LTR2_BASIS_CHECK304 error in your SAP environment.