How To Fix RMXTTLS073 - Stream assignment in stage formula &1 in trial &2 is not permitted

RMXTTLS073 - Overview

• Message type: E = Error

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

• Message number: 073

• Message text: Stream assignment in stage formula &1 in trial &2 is not permitted

What causes this issue?

You assigned more than one output stream in a stage
formula (only one output stream is permitted in a stage formula).
Or
You assigned an input stream for which no output stream
exists in a different stage formula.

System Response

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

How to fix this error?

If you assigned more than one output stream, delete the
entry for the stream.
Or
Before you use an input stream in a stage formula, assign
it as an output stream in a different stage formula.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RMXTTLS073 - Stream assignment in stage formula &1 in trial &2 is not permitted ?

  The SAP error message RMXTTLS073 indicates that there is an issue with the stream assignment in a stage formula within a trial. This error typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where stream assignments are used in planning scenarios.
  
  Cause:
  The error message RMXTTLS073 usually arises due to one of the following reasons:
  
  
  Invalid Stream Assignment: The stream assignment in the specified stage formula is not valid. This could be due to incorrect configuration or an attempt to assign a stream that is not allowed in the context of the trial.
  
  
  Incompatible Settings: The settings or parameters defined in the trial may not be compatible with the stream assignments being used in the stage formula.
  
  
  Data Integrity Issues: There may be issues with the data integrity, such as missing or incorrect data in the relevant tables that define the streams and their assignments.
  
  
  
  Solution:
  To resolve the RMXTTLS073 error,