How To Fix RMXTTLS058 - Output stream of stage &1 is reused indirectly in stage &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RMXTTLS - TMS-TLS: Messages for Trial Interface and Tool Package

• Message number: 058

• Message text: Output stream of stage &1 is reused indirectly in stage &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RMXTTLS058 - Output stream of stage &1 is reused indirectly in stage &1 ?

  The SAP error message RMXTTLS058 indicates that there is an issue with the output stream of a particular stage being reused indirectly within the same stage in a data processing or transformation context. This typically occurs in scenarios involving data flows, such as in SAP Data Services or similar ETL (Extract, Transform, Load) tools.
  Cause:
  The error arises when the output stream of a stage is being referenced or used in a way that creates a circular dependency or an indirect reuse of the same output stream within that stage. This can happen due to:
  
  Incorrect Data Flow Design: The design of the data flow may inadvertently cause the output of a stage to be fed back into itself, either directly or through another stage.
  Misconfiguration: There may be a misconfiguration in the properties of the data flow or the stages involved, leading to unintended references.
  Complex Transformations: If complex transformations are applied that involve multiple stages, it can lead to confusion in how outputs are managed.
  
  Solution:
  To resolve the RMXTTLS058 error, consider the following steps:
  
  
  Review Data Flow Design: Examine the data flow to ensure that the output of the stage is not being reused in a way that creates a circular reference. Ensure that each stage's output is directed to a different stage or process.
  
  
  Check Stage Properties: Verify the properties of the stage that is causing the error. Ensure that the output streams are correctly defined and that there are no unintended references to the same output stream.
  
  
  Simplify Transformations: If the data flow is complex, try simplifying it. Break down the transformations into smaller, more manageable stages to avoid indirect reuse of output streams.
  
  
  Use Intermediate Stages: If necessary, introduce intermediate stages to handle the output before it is used again. This can help in breaking the cycle and ensuring that outputs are not reused incorrectly.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidance on handling output streams and data flow design best practices.
  
  
  Testing: After making changes, test the data flow to ensure that the error is resolved and that the data processing works as intended.
  
  
  Related Information:
  
  SAP Data Services Documentation: Check the official SAP documentation for Data Services for more detailed information on data flow design and error handling.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  Best Practices: Familiarize yourself with best practices for designing data flows in SAP to avoid such errors in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.