How To Fix RSTRAN520 - Rule (target field: &2): No target field assigned

RSTRAN520 - Overview

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 520

• Message text: Rule (target field: &2): No target field 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 RSTRAN520 - Rule (target field: &2): No target field assigned ?

  The SAP error message RSTRAN520 indicates that there is an issue with the data transfer process in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). Specifically, it means that a target field in a transformation rule is not assigned correctly, which prevents the data from being transferred as expected.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Missing Assignment: The target field in the transformation is not assigned to any source field. This can happen if the transformation was not configured correctly.
  Incorrect Mapping: The mapping between the source and target fields may be incorrect or incomplete.
  Changes in Data Model: If there have been changes in the data model (like changes in InfoObjects or InfoProviders), the transformation rules may need to be updated accordingly.
  Data Source Issues: The data source may not have the necessary fields available for mapping.
  
  
  Solution:
  To resolve the RSTRAN520 error, you can follow these steps:
  
  
  Check Transformation Rules:
  
  Go