How To Fix RSTRAN517 - Rule (target field: &2): No source unit assigned

RSTRAN517 - Overview

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 517

• Message text: Rule (target field: &2): No source unit assigned

What causes this issue?

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

System Response

How to fix this error?

Procedure for System Administrators

Internal rule ID &V1&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN517 - Rule (target field: &2): No source unit assigned ?

  The SAP error message RSTRAN517 indicates that there is an issue with the data transfer process in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). Specifically, the error states that there is no source unit assigned for a target field in a transformation rule. This typically occurs during the data loading process when the system is unable to find a corresponding source unit for a target field in the transformation.
  
  Cause:
  
  Missing Source Assignment: The target field in the transformation does not have a corresponding source field assigned. This can happen if the transformation was not properly configured or if the source data structure has changed.
  Incorrect Mapping: The mapping between the source and target fields may be incorrect or incomplete.
  Data Source Changes: Changes in the data source structure (like adding or removing fields) that are not reflected in the transformation rules can lead to this error.
  Transformation Errors: Errors in the transformation