How To Fix LTR2_CHANGELOG163 - Filter field length &1 changed

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CHANGELOG -

• Message number: 163

• Message text: Filter field length &1 changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_CHANGELOG163 - Filter field length &1 changed ?

  The SAP error message LTR2_CHANGELOG163 indicates that there is a discrepancy in the length of a filter field in the change log for a DataSource. This typically occurs when the structure of the DataSource has been modified, and the length of a field that is being used as a filter has changed. This can happen during data modeling or when changes are made to the underlying database tables.
  Cause:
  
  Field Length Change: The length of a field in the DataSource has been altered, which can lead to inconsistencies in the change log.
  DataSource Modification: Changes made to the DataSource structure, such as adding or modifying fields, can trigger this error.
  Inconsistent Metadata: The metadata in the SAP system may not match the actual structure of the underlying database.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check DataSource Definition:
  
  Go to the DataSource definition in the SAP system (transaction code RSA1).
  Verify the field lengths and ensure they match the underlying database structure.
  
  
  
  Adjust Field Lengths:
  
  If you find that the field lengths have changed, you may need to adjust them back to their original lengths or update the DataSource to reflect the new lengths.
  
  
  
  Recreate Change Log:
  
  If necessary, you may need to recreate the change log for the DataSource. This can be done by deleting the existing change log and reinitializing it.
  
  
  
  Transport Changes:
  
  If the changes were made in a development environment, ensure that they are properly transported to the production environment.
  
  
  
  Check for Active Data:
  
  Ensure that there are no active data loads or processes that might be using the DataSource while you are making changes.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific DataSource and error message for any additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: DataSource Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Change Log Management: Familiarize yourself with how change logs work in SAP BW and the implications of modifying DataSources.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP BW and DataSource management.