How To Fix RSODSO_RDA004 - Cannot generate DTA class for DataStore &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODSO_RDA -

• Message number: 004

• Message text: Cannot generate DTA class for DataStore &1

What causes this issue?

The DTA class for DataStore &1 could not be generated. Error while
closing real-time request.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSODSO_RDA004 - Cannot generate DTA class for DataStore &1 ?

  The SAP error message RSODSO_RDA004 indicates that the system is unable to generate the Data Transfer Application (DTA) class for a specific DataStore Object (DSO). This error typically arises in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there are issues with the DSO configuration or the underlying data model.
  Causes:
  
  Incorrect DSO Configuration: The DSO may not be configured correctly, which can prevent the generation of the DTA class.
  Missing or Inconsistent Metadata: If the metadata for the DSO is incomplete or inconsistent, it can lead to this error.
  Transport Issues: If the DSO was transported from another system, there may be inconsistencies in the transport that affect the DTA class generation.
  Authorization Issues: Lack of proper authorizations for the user trying to generate the DTA class can also lead to this error.
  System Bugs or Limitations: There may be bugs in the SAP system or limitations in the version being used that affect DTA class generation.
  
  Solutions:
  
  Check DSO Configuration: Review the configuration of the DSO to ensure that all required settings are correctly defined. Pay attention to the key fields, data types, and any transformations.
  Rebuild Metadata: If the metadata is inconsistent, you may need to rebuild it. This can often be done by reactivating the DSO or its InfoObjects.
  Check Transport Logs: If the DSO was transported, check the transport logs for any errors or warnings that might indicate what went wrong during the transport.
  User Authorizations: Ensure that the user has the necessary authorizations to generate DTA classes. This may involve checking roles and permissions in the SAP system.
  System Notes and Patches: Check for any SAP Notes or patches that address this specific error. Sometimes, applying the latest support packages or notes can resolve underlying issues.
  Recreate the DSO: As a last resort, if the DSO is not functioning correctly and cannot be fixed, consider recreating the DSO from scratch.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access the DSO and check its configuration.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this error.
  Logs and Traces: Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP BW.