How To Fix RSTRAN080 - You cannot select any other source segment for this target segment

RSTRAN080 - Overview

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 080

• Message text: You cannot select any other source segment for this target segment

What causes this issue?

A target segment can be assigned to one source segment only.
Rules already exist between the source and target segment. You cannot
switch to a different source segment and keep the same target segment.

System Response

The source segment is selected and the target segment is removed from
the display.

How to fix this error?

Select a target segment that is not assigned to a source segment.
If you do not want to assign the source segment to the displayed target
segment, select the target segment and then delete the existing rules.
You can then create rules for another source segment.

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 RSTRAN080 - You cannot select any other source segment for this target segment ?

  The SAP error message RSTRAN080, which states "You cannot select any other source segment for this target segment," typically occurs in the context of data transfer processes, particularly when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems. This error indicates that there is an issue with the mapping of source segments to target segments in a data transfer process.
  
  Cause:
  
  Incorrect Mapping: The error usually arises when there is an attempt to map multiple source segments to a single target segment, which is not allowed. Each target segment can only be associated with one source segment.
  Data Transfer Process Configuration: The configuration of the data transfer process may not be set up correctly, leading to conflicts in the source-target mapping.
  Data Source Changes: If there have been changes to the data source or the structure of the data, it may lead to inconsistencies in the mapping.
  Inconsistent Data: If the data