How To Fix RSDAS021 - Data Access Service &1 has no input parameter &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDAS - Messages in the Environment Data Access Services

• Message number: 021

• Message text: Data Access Service &1 has no input parameter &2

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDAS021 - Data Access Service &1 has no input parameter &2 ?

  The SAP error message RSDAS021 indicates that there is an issue with a Data Access Service (DAS) where a specific input parameter is missing. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when trying to execute a query or access data that requires certain parameters to be provided.
  Cause:
  The error is caused by one of the following reasons:
  
  Missing Input Parameter: The Data Access Service is expecting an input parameter that has not been provided in the query or request.
  Incorrect Query Configuration: The query might be incorrectly configured, leading to the absence of required parameters.
  Data Source Issues: The underlying data source may not be set up correctly, or the data model may not be aligned with the expected parameters.
  
  Solution:
  To resolve the RSDAS021 error, you can take the following steps:
  
  
  Check Query Parameters:
  
  Review the query that is being executed and ensure that all required input parameters are being passed correctly.
  If you are using a variable in the query, make sure that it is properly defined and has a value.
  
  
  
  Review Data Access Service Configuration:
  
  Go to the Data Access Service configuration in the SAP BW or HANA system and verify that all necessary parameters are defined.
  Ensure that the service is correctly set up to handle the input parameters.
  
  
  
  Test with Default Values:
  
  If applicable, try running the query with default values for the parameters to see if it executes successfully. This can help identify if the issue is specifically related to the parameters being passed.
  
  
  
  Check for Updates or Notes:
  
  Look for any SAP Notes or updates related to the specific version of SAP BW or HANA you are using. There may be known issues or patches that address this error.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the Data Access Service you are using to ensure that you are following the correct procedures for parameter input.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can trace the execution of the query to see where the parameter is being lost or not set.
  
  
  
  Related Information:
  
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on Data Access Services and query parameters.
  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 persists, consider reaching out to SAP Support for assistance, providing them with the error message and context for further investigation.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDAS021 error in your SAP environment.