How To Fix RMXMTRF056 - Primary output of the selected stage is not a stream

SAP Error Message - Details

• Message type: E = Error

• Message class: RMXMTRF - RMXM-TRF: Messages for Master Recipe Transformation

• Message number: 056

• Message text: Primary output of the selected stage is not a stream

What causes this issue?

You have tried to transform the selected stages of the general recipe to
a master recipe. The primary output of the formula in the last selected
stage must be a stream.

System Response

The selected stages are not copied to the master recipe.

How to fix this error?

Edit the formula in the last selected stage and specify an output
stream.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RMXMTRF056 - Primary output of the selected stage is not a stream ?

  The SAP error message RMXMTRF056, which states "Primary output of the selected stage is not a stream," typically occurs in the context of SAP Data Services or SAP Data Intelligence when working with data flows or transformation processes. This error indicates that the primary output of a specific stage in your data flow is not configured correctly to be a stream, which is necessary for the subsequent stages to process the data correctly.
  Cause:
  
  Incorrect Output Configuration: The stage in question may not be set up to produce a stream output. This can happen if the output is configured as a table or another type of data structure instead of a stream.
  Data Flow Design: The design of the data flow may not align with the expected input/output requirements of the subsequent stages.
  Transformation Logic: If the transformation logic in the stage does not yield a stream-compatible output, this error can occur.
  
  Solution:
  
  
  Check Output Configuration: 
  
  Open the data flow in the Data Services Designer or Data Intelligence.
  Locate the stage that is causing the error and check its output settings.
  Ensure that the primary output is configured to be a stream. This may involve changing the output type or adjusting the transformation logic.
  
  
  
  Review Data Flow Design:
  
  Ensure that the overall design of the data flow is correct and that each stage is producing the expected output type.
  If necessary, redesign the flow to ensure that the outputs of each stage are compatible with the inputs of the next stage.
  
  
  
  Validate Transformation Logic:
  
  Review the transformation logic in the stage to ensure it is set up to produce a stream output.
  If the logic is complex, consider breaking it down into simpler stages that can produce intermediate stream outputs.
  
  
  
  Testing:
  
  After making the necessary changes, test the data flow to ensure that the error is resolved and that the data is processed as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Data Services or SAP Data Intelligence documentation for detailed information on configuring stages and outputs.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with details about your data flow and the specific stage causing the error.
  
  By following these steps, you should be able to resolve the RMXMTRF056 error and ensure that your data flow operates correctly.