How To Fix RSB4HANA163 - Cannot determine name of function module.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB4HANA - B4HANA

• Message number: 163

• Message text: Cannot determine name of function module.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSB4HANA163 - Cannot determine name of function module. ?

  The SAP error message RSB4HANA163 ("Cannot determine name of function module") typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data extraction process, particularly when trying to extract data from HANA views or when using certain function modules.
  Causes:
  
  Missing or Incorrect Function Module: The function module that is supposed to be called for data extraction may not exist, or its name may not be correctly defined in the relevant settings.
  Transport Issues: If the system has recently undergone a transport, the function module may not have been transported correctly.
  Authorization Issues: The user executing the extraction may not have the necessary authorizations to access the function module.
  Configuration Issues: There may be misconfigurations in the data source or in the BW settings that prevent the system from determining the function module.
  Version Compatibility: There may be compatibility issues between the BW version and the HANA database version.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists in the system. You can do this by using transaction SE37 to check if the function module is available and correctly defined.
  Review Data Source Configuration: Go to the data source settings in the BW system and ensure that the function module is correctly specified. You can check this in transaction RSA1 under the relevant data source.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  System Logs: Review the system logs (transaction SLG1) for any additional error messages that might provide more context about the issue.
  Update BW Settings: If there are any updates or patches available for your BW system, consider applying them, as they may resolve compatibility issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  RSA1: Data Warehousing Workbench
  SU53: Authorization Check
  SLG1: Application Log
  
  
  SAP Notes: Search for SAP Notes related to RSB4HANA163 or similar error messages in the SAP Support Portal for specific fixes or recommendations.
  Documentation: Review the SAP BW documentation for best practices on data extraction and function module usage.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.