How To Fix CNV_OC_ADAPTER001 - No Transformation Rule is assigned to the Object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OC_ADAPTER - Object-Based Transformation

• Message number: 001

• Message text: No Transformation Rule is assigned to the Object &1

What causes this issue?

No Transformation Rule is assigned to the Object &V1&.

System Response

System issues a warning

How to fix this error?

In some cases it may be a desired configuration (e.g. if you just want
to filter entries from this object without converting anything).
Otherwise you should check the configuration of the transformation and
correct it.

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 CNV_OC_ADAPTER001 - No Transformation Rule is assigned to the Object &1 ?

  The SAP error message CNV_OC_ADAPTER001 indicates that there is no transformation rule assigned to the specified object (denoted by &1). This error typically occurs in the context of data migration or data transformation processes, particularly when using the SAP Conversion Tools or SAP Data Services.
  Cause:
  
  Missing Transformation Rule: The most common cause is that the object in question does not have a transformation rule defined in the system. This can happen if the transformation rules were not created or were deleted inadvertently.
  Incorrect Configuration: The configuration for the data migration or transformation process may be incorrect, leading to the system not being able to find the appropriate transformation rule.
  Object Not Supported: The object you are trying to transform may not be supported by the existing transformation rules.
  Data Mapping Issues: There may be issues with the data mapping that prevent the system from applying the transformation rules correctly.
  
  Solution:
  
  Check Transformation Rules: Verify that the transformation rules for the object are defined correctly. You can do this by navigating to the relevant configuration area in the SAP system and checking the rules assigned to the object.
  Create or Assign Transformation Rules: If no transformation rule exists, you will need to create one. This involves defining how the data should be transformed from the source format to the target format.
  Review Configuration Settings: Ensure that the configuration settings for the data migration or transformation process are correct. This includes checking the source and target mappings and ensuring that they align with the transformation rules.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on how to create and assign transformation rules for the specific object you are working with.
  Testing: After making changes, perform a test run to ensure that the transformation rules are applied correctly and that the error does not reoccur.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) or LTMOM (for Migration Object Modeler) that may help in managing transformation rules.
  Data Services: If you are using SAP Data Services, ensure that the job design includes the necessary transformation logic for the objects being processed.
  
  By following these steps, you should be able to resolve the CNV_OC_ADAPTER001 error and successfully assign transformation rules to the relevant objects.