How To Fix TW055 - Undefined compression mode in tw_prc

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 055

• Message text: Undefined compression mode in tw_prc

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 TW055 - Undefined compression mode in tw_prc ?

  The SAP error message TW055, which states "Undefined compression mode in tw_prc," typically occurs in the context of SAP's transport management system (TMS) or when dealing with transport requests. This error indicates that there is an issue with the configuration of the transport system, specifically related to the compression settings.
  Cause:
  
  Configuration Issue: The compression mode for transport requests may not be defined correctly in the system configuration.
  Missing Parameters: The parameters related to transport compression might be missing or incorrectly set in the transport profile.
  System Upgrade or Changes: If there has been a recent upgrade or changes to the system, the transport settings may not have been updated accordingly.
  
  Solution:
  To resolve the TW055 error, you can follow these steps:
  
  
  Check Transport Profile:
  
  Go to transaction STMS (Transport Management System).
  Navigate to the Transport Directory and check the transport profile settings.
  Ensure that the compression mode is defined correctly. You can do this by checking the profile parameters in the transport profile.
  
  
  
  Adjust Parameters:
  
  Use transaction RZ10 to check and modify the instance profile parameters.
  Look for parameters related to transport compression, such as r3trans settings.
  Ensure that the compression mode is set to a valid value (e.g., 0 for no compression, 1 for standard compression).
  
  
  
  Restart Transport Services:
  
  After making changes to the transport profile or parameters, restart the transport services to apply the changes.
  
  
  
  Check for Notes:
  
  Check the SAP Notes for any known issues or patches related to this error. You can search for relevant SAP Notes in the SAP Support Portal.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for transport management to ensure that all settings are configured correctly.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and parameters, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  STMS: Transport Management System
  RZ10: Profile Maintenance
  
  
  SAP Notes: Always check for relevant SAP Notes that may provide additional insights or fixes related to transport issues.
  Transport Management: Understanding the transport management system and its configuration is crucial for troubleshooting transport-related errors.
  
  By following these steps, you should be able to resolve the TW055 error and ensure that your transport system is functioning correctly.