How To Fix RSAR158 - Error when determining the type of logical system &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 158

• Message text: Error when determining the type of logical system &

Self-Explanatory Message

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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 RSAR158 - Error when determining the type of logical system & ?

  The SAP error message RSAR158 typically occurs in the context of SAP's Remote Function Call (RFC) or when dealing with data transfer between different systems, particularly in scenarios involving SAP BW (Business Warehouse) or SAP Data Services. The error indicates that there is an issue with determining the type of logical system, which can be due to various reasons.
  Causes of RSAR158 Error
  
  
  Incorrect Logical System Configuration: The logical system may not be correctly defined in the SAP system. This can happen if the logical system name is misspelled or if it does not exist in the system.
  
  
  Missing or Incomplete RFC Destination: The RFC destination that is supposed to connect to the logical system may not be set up correctly or may be missing.
  
  
  Authorization Issues: The user or service account trying to access the logical system may not have the necessary authorizations.
  
  
  Transport Layer Issues: If the logical system is part of a transport layer, there may be issues with the transport configuration.
  
  
  System Landscape Configuration: The logical system may not be properly configured in the system landscape, leading to inconsistencies.
  
  
  Solutions to RSAR158 Error
  
  
  Check Logical System Configuration:
  
  Go to transaction SE03 or SCC4 to check the logical system configuration.
  Ensure that the logical system name is correctly defined and matches the expected format.
  
  
  
  Verify RFC Destination:
  
  Use transaction SM59 to check the RFC destination settings.
  Ensure that the destination is correctly configured and that the connection test is successful.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations for the user or service account that is encountering the error.
  Ensure that the necessary authorizations for accessing the logical system are granted.
  
  
  
  Check Transport Layer:
  
  If applicable, verify the transport layer settings and ensure that the logical system is included in the correct transport layer.
  
  
  
  System Landscape Configuration:
  
  Review the system landscape configuration to ensure that all systems are correctly defined and that there are no inconsistencies.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some errors may be resolved in newer versions.
  
  
  
  Related Information
  
  SAP Notes: Check SAP Notes related to RSAR158 for any specific fixes or recommendations provided by SAP. You can search for the error message in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), SE03 (Transport Organizer), and SCC4 (Client Administration) for troubleshooting.
  Logs and Traces: Review system logs and traces (e.g., using transaction SLG1) for additional context around the error.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.