How To Fix LTR2_ES139 - No transformation rule assigned for domain &1 (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES -

• Message number: 139

• Message text: No transformation rule assigned for domain &1 (&2)

What causes this issue?

No transformation rule assigned for data element &V1& (sequence number
of RAS entry &V2&)

System Response

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

How to fix this error?

Go to the tab 'Rule Assignment' of the embedded specification and check
the settings done for domains, data elements, and table fields. There
should be one assignment without an associated transformation rule.
Correct this entry and re-execute this activity again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_ES139 - No transformation rule assigned for domain &1 (&2) ?

  The SAP error message LTR2_ES139 indicates that there is no transformation rule assigned for a specific domain in the context of data transformation or data migration processes. This error typically arises in scenarios involving data transfer, such as during the use of the SAP Landscape Transformation (SLT) or when working with data services.
  Cause:
  The error occurs when the system attempts to perform a transformation on a data field, but it cannot find a corresponding transformation rule for the specified domain. This can happen due to several reasons:
  
  Missing Transformation Rules: The transformation rules for the specified domain have not been defined or are incomplete.
  Incorrect Configuration: The configuration settings for the data transformation process may not be set up correctly.
  Domain Mismatch: The domain specified in the error message may not match any existing transformation rules in the system.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Transformation Rules:
  
  Go to the relevant transaction (e.g., SLT configuration or Data Services) and verify if the transformation rules for the specified domain are defined.
  If they are missing, create the necessary transformation rules to map the source data to the target structure.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for the data transfer or transformation process is correct. Check if the source and target mappings are properly set up.
  Validate that the domains and data types are correctly aligned between the source and target systems.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources related to the specific module you are working with (e.g., SLT, Data Services) for guidance on how to define transformation rules.
  
  
  
  Testing:
  
  After making changes, perform a test run to ensure that the transformation rules are now being applied correctly and that the error no longer occurs.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data transformation processes.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use transaction codes like LT01, LT02, or SLT to access the relevant configuration settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling transformation rules.
  Documentation: Review the SAP Help Portal for detailed information on data transformation and migration processes.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.