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

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 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