How To Fix LTR2_CHANGELOG138 - Data class changed

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CHANGELOG -

• Message number: 138

• Message text: Data class changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_CHANGELOG138 - Data class changed ?

  The SAP error message LTR2_CHANGELOG138 indicates that there has been a change in the data class of a table that is being tracked by the Change Log (Change Document) functionality in SAP. This typically occurs when the data structure of a table is modified, which can lead to inconsistencies in the change log data.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Data Class Change: The data class of a table has been changed in the Data Dictionary (SE11) after the change log was activated.
  Table Structure Modification: Changes to the structure of the table (like adding or removing fields) can also trigger this error if the change log is already in use.
  Inconsistent Change Log: The change log may not be able to track changes properly due to the modification of the underlying table structure.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Data Class: Verify the data class of the table in the Data Dictionary (SE11). Ensure that it is set correctly and that any changes made are intentional.
  
  
  Deactivate and Reactivate Change Log:
  
  Go to the transaction SCDO (Change Document Objects).
  Find the relevant change document object associated with the table.
  Deactivate the change log for the object.
  Make sure to save your changes.
  Reactivate the change log for the object.
  
  
  
  Adjust Table Structure: If the table structure has been modified, consider reverting the changes or ensuring that the change log is compatible with the new structure.
  
  
  Check for Consistency: Use transaction SE14 (Database Utility) to check the consistency of the database objects. This can help identify any inconsistencies that may be causing the error.
  
  
  Transport Requests: If the changes were made in a development environment, ensure that the transport requests are correctly moved to the quality or production environment.
  
  
  Consult Documentation: Review SAP documentation or notes related to change logs and data class changes for any specific instructions or considerations.
  
  
  Related Information:
  
  Change Document Objects: These are used in SAP to track changes to specific tables. Understanding how they work can help in troubleshooting issues related to change logs.
  Data Dictionary (SE11): This is the primary tool for managing database objects in SAP, including tables, views, and data elements.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further investigation.