How To Fix RMXMTRF003 - ABAP class assignment for transformation group &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: RMXMTRF - RMXM-TRF: Messages for Master Recipe Transformation

• Message number: 003

• Message text: ABAP class assignment for transformation group &1 is not defined

What causes this issue?

The ABAP class assignment for the transformation group &V1&
is not defined.

System Response

The system cannot read the recipe data or generate a recipe object
model.

How to fix this error?

Define the transformation group &V1& in Customizing.

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 RMXMTRF003 - ABAP class assignment for transformation group &1 is not defined ?

  The SAP error message RMXMTRF003 indicates that there is an issue with the assignment of an ABAP class to a transformation group in the context of data transformation processes, typically in the SAP Data Services or SAP BW (Business Warehouse) environment. This error suggests that the system is unable to find a defined ABAP class for the specified transformation group.
  Cause:
  
  Undefined Transformation Group: The transformation group specified in the error message is not defined in the system.
  Missing ABAP Class: The ABAP class that is supposed to handle the transformation logic for the specified group is not implemented or is not correctly assigned.
  Configuration Issues: There may be configuration issues in the transformation settings or the data flow that lead to this error.
  Transport Issues: If the transformation group or ABAP class was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  
  
  Check Transformation Group Definition:
  
  Go to the relevant transaction (e.g., RSA1 for BW) and check if the transformation group is defined correctly.
  Ensure that the transformation group exists and is active.
  
  
  
  Verify ABAP Class Assignment:
  
  Check the assignment of the ABAP class to the transformation group. Ensure that the class is implemented and is correctly linked to the transformation group.
  You can do this by navigating to the transformation settings and reviewing the assigned ABAP class.
  
  
  
  Implement Missing ABAP Class:
  
  If the ABAP class is missing, you may need to implement it. This involves creating the class in the ABAP Workbench (SE80) and ensuring it contains the necessary methods for the transformation logic.
  
  
  
  Check Transport Requests:
  
  If the transformation group or ABAP class was recently transported, check the transport logs for any errors. Ensure that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  
  
  
  Activate Objects:
  
  After making any changes, ensure that all relevant objects (transformation group, ABAP class) are activated in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific transformation group and ABAP class to ensure that you are following the correct procedures.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1 (Data Warehousing Workbench)
  SE80 (Object Navigator for ABAP)
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the assignment fails.
  
  By following these steps, you should be able to resolve the RMXMTRF003 error and ensure that the transformation group is correctly defined and linked to the appropriate ABAP class.