How To Fix RSTRAN347 - Unit mapping for rule &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 347

• Message text: Unit mapping for rule &2 does not exist

What causes this issue?

The unit mapping required in rule &V2& for source unit '&V3&' does not
exist.

System Response

Rule &V2& is inconsistent and will be created incompletely.

How to fix this error?

Check the unit assignment of rule for target field/InfoObject '&V4&'

Procedure for System Administrators

Affected object: Transformation &V1&

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 RSTRAN347 - Unit mapping for rule &2 does not exist ?

  The SAP error message RSTRAN347, which states "Unit mapping for rule &2 does not exist," typically occurs in the context of data transfer processes, particularly when dealing with the extraction and transformation of data in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error indicates that there is a missing or incorrect mapping for a unit of measure in the transformation rules.
  Cause:
  
  Missing Unit Mapping: The specific unit of measure that is referenced in the transformation rule does not have a corresponding mapping defined in the system.
  Incorrect Configuration: The transformation rules may not be correctly configured to handle the units of measure being used in the source data.
  Changes in Data Source: If the data source has been modified (e.g., new units added or existing units changed), the transformation rules may not have been updated accordingly.
  Transport Issues: If the transformation was transported from one system to another (e.g., from development to production), the unit mappings may not have been included in the transport.
  
  Solution:
  
  Check Unit Mapping: Go to the transformation rules in the SAP BW system and verify if the unit mapping for the specified rule exists. You can do this by navigating to the relevant transformation in the Data Warehousing Workbench.
  Create/Update Unit Mapping: If the unit mapping does not exist, you will need to create it. This can be done by:
  
  Accessing the transformation and editing the relevant mapping.
  Adding the necessary unit of measure and ensuring it is correctly linked to the corresponding fields.
  
  
  Review Transformation Rules: Ensure that all transformation rules are correctly set up to handle the units of measure being used. This may involve checking the source and target fields and their respective units.
  Test the Transformation: After making changes, test the transformation to ensure that the error is resolved and that data is being transferred correctly.
  Consult Documentation: If you are unsure about the correct mappings, refer to SAP documentation or consult with a functional consultant who specializes in SAP BW/BI.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access the relevant transformation and check the mappings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Unit of Measure Configuration: Familiarize yourself with how units of measure are configured in SAP BW, including how they are defined in the InfoObjects and how they relate to the data being processed.
  
  By following these steps, you should be able to identify and resolve the issue related to the RSTRAN347 error message in SAP.