How To Fix RSODP_ABAP_CDS305 - Reading hash codes of previous extraction...

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 305

• Message text: Reading hash codes of previous extraction...

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS305 - Reading hash codes of previous extraction... ?

  The SAP error message RSODP_ABAP_CDS305 typically occurs in the context of data extraction processes, particularly when dealing with Core Data Services (CDS) views in SAP BW (Business Warehouse) or SAP S/4HANA environments. This error indicates an issue with reading hash codes during the extraction process, which can prevent data from being successfully extracted.
  Cause:
  
  Data Consistency Issues: The hash codes are used to ensure data consistency and integrity during the extraction process. If there are inconsistencies in the data or if the hash codes are not properly generated or stored, this error can occur.
  Changes in Data Model: If there have been changes to the underlying data model (e.g., changes in the CDS view or the underlying tables), it may lead to discrepancies in the hash codes.
  Missing or Corrupted Data: If the data that is being referenced is missing or corrupted, it can lead to issues when trying to read the hash codes.
  Authorization Issues: Sometimes, the user executing the extraction may not have the necessary authorizations to read the required data.
  
  Solution:
  
  Check Data Consistency: Ensure that the data in the source system is consistent and that the hash codes are correctly generated. You may need to run consistency checks or repair tools provided by SAP.
  Review Changes in Data Model: If there have been recent changes to the CDS view or the underlying data model, review those changes to ensure they are correctly implemented and that they do not affect the extraction process.
  Re-generate Hash Codes: If possible, try to re-generate the hash codes for the affected data. This may involve re-running the data extraction process or using specific SAP tools to refresh the hash codes.
  Check Authorizations: Verify that the user executing the extraction has the necessary authorizations to access the data and perform the extraction.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues related to this error message.
  Debugging: If the issue persists, consider debugging the extraction process to identify the exact point of failure. This may require technical expertise in ABAP and the SAP data extraction framework.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on data extraction processes, CDS views, and error handling.
  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 cannot be resolved internally, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the RSODP_ABAP_CDS305 error effectively.