How To Fix RSDL018 - Metadata & is inconsistent. Regenerate this DataSource

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDL - BW DB Connect

• Message number: 018

• Message text: Metadata & is inconsistent. Regenerate this DataSource

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDL018 - Metadata & is inconsistent. Regenerate this DataSource ?

  The SAP error message RSDL018 indicates that there is an inconsistency in the metadata of a DataSource, which can occur for various reasons, such as changes in the underlying database structure, modifications in the DataSource configuration, or issues during data extraction.
  Cause:
  
  Changes in the Source System: If there have been changes in the database schema (like adding or removing fields) in the source system, the DataSource metadata may become inconsistent.
  DataSource Configuration Changes: If the DataSource was modified (e.g., fields were added or removed) without regenerating the metadata, inconsistencies can arise.
  Transport Issues: If the DataSource was transported from one system to another, there might be discrepancies in the metadata.
  DataSource Activation: If the DataSource was not activated properly after changes, it can lead to inconsistencies.
  
  Solution:
  To resolve the RSDL018 error, you can follow these steps:
  
  
  Regenerate the DataSource:
  
  Go to the DataSource in the SAP system (transaction code RSA1 for Data Warehousing Workbench).
  Locate the DataSource that is causing the error.
  Right-click on the DataSource and select the option to "Regenerate" or "Activate" the DataSource. This will refresh the metadata and align it with the current structure of the source system.
  
  
  
  Check for Changes in the Source System:
  
  Verify if there have been any recent changes in the source system that could affect the DataSource. If so, ensure that the DataSource is updated accordingly.
  
  
  
  Check for Transport Issues:
  
  If the DataSource was transported, ensure that all related objects and dependencies were also transported correctly.
  
  
  
  Test the DataSource:
  
  After regeneration, test the DataSource to ensure that it is functioning correctly and that data can be extracted without issues.
  
  
  
  Review Logs:
  
  Check the logs for any additional error messages or warnings that might provide more context about the inconsistency.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: DataSource Maintenance
  
  
  Documentation: Refer to SAP Help documentation for detailed information on DataSource management and troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to the RSDL018 error.
  
  By following these steps, you should be able to resolve the RSDL018 error and ensure that your DataSource is consistent and functioning properly.