How To Fix RSCV621 - Index &1 exists, but index &2 was expected

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCV - Analysis of BW objects (InfoCubes...)

• Message number: 621

• Message text: Index &1 exists, but index &2 was expected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV621 - Index &1 exists, but index &2 was expected ?

  The SAP error message RSCV621 indicates a mismatch between the expected index and the existing index in the context of SAP's data processing, particularly in the area of data extraction or data loading processes. This error typically arises in scenarios involving Data Warehousing or when working with InfoProviders, such as DataStore Objects (DSOs) or InfoCubes.
  Cause:
  The error occurs when the system finds that an index (e.g., index &1) exists, but it was expecting a different index (e.g., index &2). This can happen due to several reasons:
  
  Data Model Changes: Changes in the data model, such as modifications to the structure of the InfoProvider, can lead to discrepancies in the expected indices.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), and the transport did not include all necessary objects or was not executed correctly, it could lead to this error.
  Inconsistent Data: If there are inconsistencies in the data or metadata, such as missing or corrupted indices, this error can occur.
  Version Mismatch: If different versions of the data model are being used across different environments, it can lead to index mismatches.
  
  Solution:
  To resolve the RSCV621 error, you can take the following steps:
  
  
  Check the Data Model: Verify the structure of the InfoProvider and ensure that it matches the expected structure. Look for any recent changes that might have affected the indices.
  
  
  Rebuild Indices: If the indices are corrupted or inconsistent, you may need to rebuild them. This can typically be done through the administration tools in SAP BW or by using specific transaction codes (e.g., RSA1 for Data Warehousing Workbench).
  
  
  Transport Consistency: Ensure that all necessary transports have been executed correctly and that the target system is consistent with the source system. Check for any missing objects or dependencies.
  
  
  Check for Data Consistency: Run consistency checks on the InfoProvider to identify any issues with the data or metadata. You can use transaction codes like RSCUSTV10 to check for inconsistencies.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  System Logs: Review system logs and error logs for additional context or related errors that might provide more insight into the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSCUSTV10 (to check consistency), and others that may help in managing InfoProviders.
  SAP Documentation: Refer to SAP Help documentation for detailed information on managing indices and troubleshooting data extraction issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the RSCV621 error and implement a solution to resolve it.