How To Fix RSDHA166 - Invalid input parameter registration. Check parameter '&1'.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 166

• Message text: Invalid input parameter registration. Check parameter '&1'.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA166 - Invalid input parameter registration. Check parameter '&1'. ?

  The SAP error message RSDHA166, which states "Invalid input parameter registration. Check parameter '&1'", typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the input parameters used in a query or data extraction process. This error can arise due to various reasons, including incorrect parameter values, missing parameters, or issues with the data source.
  Causes:
  
  Incorrect Parameter Values: The input parameter specified may not match the expected values or formats.
  Missing Parameters: Required parameters may not have been provided in the query or data extraction.
  Data Source Issues: The underlying data source may have issues, such as being inactive or not properly configured.
  Authorization Issues: The user may not have the necessary authorizations to access the data or parameters.
  Technical Issues: There may be technical problems with the BW system or the specific InfoProvider being queried.
  
  Solutions:
  
  Check Parameter Values: Verify that the input parameters being passed are correct and conform to the expected formats. Ensure that they are not null or empty.
  Review Query Design: If this error occurs in a query, check the query design in the BEx Query Designer to ensure that all required parameters are correctly defined and mapped.
  Validate Data Source: Ensure that the data source (e.g., InfoCube, DSO) is active and properly configured. Check for any inconsistencies or errors in the data source.
  Check Authorizations: Ensure that the user executing the query has the necessary authorizations to access the data and parameters.
  Debugging: If you have access to debugging tools, you can trace the execution of the query or data extraction to identify where the error is occurring.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of BW you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for RSDHA166 in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to check the status of InfoProviders and data sources.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or BW support team for further investigation.