How To Fix UD346 - No similar entity types were found

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 346

• Message text: No similar entity types were found

What causes this issue?

You chose Edit->Find similar entity types. The search showed that there
are no similar entity types in the database.

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?

You may find similar entity types by somewhat changing the short text
and searching again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD346 - No similar entity types were found ?

  The SAP error message UD346, which states "No similar entity types were found," typically occurs in the context of data migration or data management processes, particularly when using tools like SAP Data Services or SAP S/4HANA Migration Cockpit. This error indicates that the system is unable to find any entity types that match the criteria specified in the data migration or transformation process.
  Causes:
  
  Incorrect Mapping: The entity types specified in the data migration or transformation process may not be correctly mapped to the target system.
  Missing Configuration: The necessary configuration for the entity types may not be set up in the system.
  Data Source Issues: The source data may not contain the expected structure or values, leading to a mismatch.
  Version Compatibility: There may be compatibility issues between the source and target systems, especially if they are on different versions of SAP.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the entity types.
  
  Solutions:
  
  Check Mapping: Review the mapping of entity types in the migration or transformation process. Ensure that the source and target entity types are correctly defined and aligned.
  Verify Configuration: Ensure that all necessary configurations for the entity types are in place. This may include checking the data model and ensuring that all required fields are defined.
  Inspect Source Data: Validate the source data to ensure it contains the expected structure and values. Look for any discrepancies that may lead to the error.
  Review Version Compatibility: Ensure that the source and target systems are compatible. If there are version differences, consult SAP documentation for any migration considerations.
  Check Authorizations: Verify that the user executing the migration has the necessary authorizations to access and manipulate the entity types involved.
  
  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 for common problems.
  Documentation: Refer to the official SAP documentation for the specific tools you are using (e.g., SAP Data Services, SAP S/4HANA Migration Cockpit) for detailed guidance on entity types and data migration processes.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide insights and solutions based on their experiences.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.