How To Fix SCTC_SC155 - Invalid Logical System Name Mapping; check conversion pairs

SAP Error Message - Details

• Message type: E = Error

• Message class: SCTC_SC - CTC System Copy

• Message number: 155

• Message text: Invalid Logical System Name Mapping; check conversion pairs

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCTC_SC155 - Invalid Logical System Name Mapping; check conversion pairs ?

  The SAP error message SCTC_SC155 "Invalid Logical System Name Mapping; check conversion pairs" typically occurs in the context of system landscape configuration, particularly when dealing with system connections, such as in the SAP Change and Transport System (CTS) or when setting up logical system names for different environments (e.g., development, quality assurance, production).
  Cause:
  
  Incorrect Logical System Name: The logical system name specified in the configuration does not match any of the defined logical systems in the SAP system.
  Missing Mapping: There may be a missing or incorrect mapping in the conversion pairs for logical system names.
  Configuration Issues: The configuration for the transport routes or logical system settings may not be set up correctly.
  Transport Domain Issues: If the system is part of a transport domain, there may be inconsistencies in the transport domain configuration.
  
  Solution:
  
  
  Check Logical System Names:
  
  Go to transaction SE03 (Transport Organizer Tools) or SCC4 (Client Administration) to verify the logical system names defined in your SAP system.
  Ensure that the logical system name you are trying to use is correctly defined and active.
  
  
  
  Verify Mapping:
  
  Check the mapping of logical system names in transaction SCC1 (Client Copy) or SCC4 to ensure that the conversion pairs are correctly set up.
  If you are using a transport route, ensure that the source and target logical systems are correctly defined.
  
  
  
  Adjust Transport Routes:
  
  Use transaction STMS (Transport Management System) to check the transport routes and ensure that they are correctly configured.
  Make sure that the transport routes between the systems are correctly defined and that the logical system names match.
  
  
  
  Check Transport Domain:
  
  If applicable, check the transport domain configuration using transaction STMS to ensure that all systems are correctly included in the transport domain and that there are no inconsistencies.
  
  
  
  Reconfigure if Necessary:
  
  If you find any discrepancies, you may need to reconfigure the logical system names or the transport routes to resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE03: Transport Organizer Tools
  SCC4: Client Administration
  STMS: Transport Management System
  SCC1: Client Copy
  
  
  Documentation: Refer to SAP Help documentation for detailed guidance on configuring logical systems and transport routes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to SCTC_SC155 or logical system configuration.
  
  By following these steps, you should be able to identify and resolve the issue causing the SCTC_SC155 error message in your SAP system.