How To Fix RS2HANA_VIEW049 - DataStore object has setting "SID Generation" = "Never Create SIDs"

SAP Error Message - Details

• Message type: E = Error

• Message class: RS2HANA_VIEW - HANA Views for BW Objects

• Message number: 049

• Message text: DataStore object has setting "SID Generation" = "Never Create SIDs"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS2HANA_VIEW049 - DataStore object has setting "SID Generation" = "Never Create SIDs" ?

  The SAP error message RS2HANA_VIEW049 indicates that there is an issue with a DataStore Object (DSO) configuration in the context of SAP BW/4HANA or SAP BW on HANA. Specifically, the error arises when the DSO has the setting "SID Generation" set to "Never Create SIDs." This setting means that the system will not generate surrogate IDs (SIDs) for the characteristic values stored in that DSO, which can lead to issues when trying to create or use views based on that DSO.
  Cause:
  
  SID Generation Setting: The DSO is configured to not generate SIDs, which is typically used for certain types of data that do not require SIDs for performance or storage reasons.
  Data Model Requirements: The data model or the specific view you are trying to create or access may require SIDs for proper functioning, especially if it involves characteristics that rely on SIDs for aggregation or reporting.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Change SID Generation Setting:
  
  Go to the DataStore Object in the SAP BW/4HANA system.
  Navigate to the settings for the DSO.
  Change the "SID Generation" setting from "Never Create SIDs" to either "Create SIDs" or "Create SIDs for Key Fields Only," depending on your requirements.
  Save the changes and activate the DSO.
  
  
  
  Re-activate the DSO: After changing the SID generation setting, you may need to re-activate the DSO to ensure that the changes take effect.
  
  
  Check Data Model: Review the data model and ensure that it aligns with the requirements of the views or queries you are trying to create. If SIDs are necessary for certain characteristics, ensure that those characteristics are included in the DSO.
  
  
  Data Load: After making the changes, you may need to reload data into the DSO to generate the SIDs for existing records.
  
  
  Related Information:
  
  SID (Surrogate ID): SIDs are unique identifiers used in SAP BW to optimize data storage and retrieval. They are particularly important for performance in reporting and analysis.
  DataStore Object (DSO): A DSO is a type of data storage in SAP BW that allows for the storage of detailed transactional data. It can be used for reporting and analysis.
  SAP BW/4HANA: This is the next-generation data warehousing solution from SAP, optimized for the HANA database.
  
  Best Practices:
  
  Always review the requirements of your data model before configuring SIDs.
  Test changes in a development environment before applying them to production.
  Monitor performance and data integrity after making changes to SID settings.
  
  By following these steps, you should be able to resolve the RS2HANA_VIEW049 error and ensure that your DataStore Object is configured correctly for your reporting needs.