How To Fix RMSL191 - Invalid or incorrectly written transformation: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RMSL - Labeling Application Messages

• Message number: 191

• Message text: Invalid or incorrectly written transformation: &1

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 RMSL191 - Invalid or incorrectly written transformation: &1 ?

  The SAP error message RMSL191, which states "Invalid or incorrectly written transformation: &1," typically occurs in the context of SAP's data transformation processes, particularly when working with the SAP Business Warehouse (BW) or SAP Data Services. This error indicates that there is an issue with a transformation object that is either not defined correctly or is not recognized by the system.
  Causes:
  
  Incorrect Transformation Name: The transformation name specified in the process chain or data flow may be misspelled or does not exist in the system.
  Missing Transformation: The transformation object may have been deleted or not activated.
  Incompatible Version: The transformation may be incompatible with the version of the data source or target.
  Incorrect Configuration: The transformation may not be configured correctly, leading to issues in data mapping or logic.
  Transport Issues: If the transformation was transported from another system, it may not have been transported correctly or completely.
  
  Solutions:
  
  Verify Transformation Name: Check the name of the transformation in the process chain or data flow to ensure it is spelled correctly and exists in the system.
  Check Activation: Ensure that the transformation is activated. You can do this by navigating to the transformation in the SAP GUI and checking its status.
  Review Configuration: Open the transformation and review its configuration to ensure that all mappings and settings are correct.
  Check for Deletions: If the transformation was recently deleted, you may need to recreate it or restore it from a backup.
  Transport Validation: If the transformation was transported, check the transport logs for any errors and ensure that all necessary objects were included in the transport request.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transformation type you are using for any known issues or additional configuration steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific transformation or error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like RS2D, RS3D, or RSD1 to manage and troubleshoot transformations and data flows.
  Debugging: If the issue persists, consider debugging the data flow to identify where the transformation is failing.
  Community Forums: Engage with SAP community forums or support channels for additional insights and assistance from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the RMSL191 error in your SAP environment.