How To Fix RSTRAN518 - Rule (target field: &2): No source field assigned

RSTRAN518 - Overview

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 518

• Message text: Rule (target field: &2): No source 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 RSTRAN518 - Rule (target field: &2): No source field assigned ?

  The SAP error message RSTRAN518 indicates that there is a problem 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 does not have a corresponding source field assigned to it. This can occur during the data loading process when the system is trying to map data from a source to a target but cannot find the necessary mapping for one or more fields.
  
  Cause:
  
  Missing Mapping: The most common cause is that the transformation does not have a source field assigned to the target field specified in the error message.
  Incorrect Transformation Logic: The transformation logic may not be correctly defined, leading to missing assignments.
  Changes in Data Model: If there have been changes in the data model (e.g., changes in InfoObjects, InfoProviders, or data sources), it may lead to inconsistencies in the mapping.
  Field Deletion: A source field