How To Fix CNV_10020101 - Elem. relationship &1: Spec. form &2: TABLES parameter needs type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 101

• Message text: Elem. relationship &1: Spec. form &2: TABLES parameter needs type &3

What causes this issue?

Specific routine &V2& has been stored for mass determination for
elementary relationship &V1&. Based on the path definition, the system
found that table type &V3& is needed for table parameter PT_LOR.
However a different table type has been stored.

How to fix this error?

Set table type &V3& for table parameter PT_LOR in routine &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020101 - Elem. relationship &1: Spec. form &2: TABLES parameter needs type &3 ?

  The SAP error message CNV_10020101 typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the structure of the data being processed, specifically related to the parameters defined in the mapping or transformation logic.
  Cause:
  The error message can be broken down as follows:
  
  Elem. relationship &1: This refers to the specific element relationship in the data structure that is causing the issue.
  Spec. form &2: This indicates the specific form or structure that is expected.
  TABLES parameter needs type &3: This part of the message suggests that the TABLES parameter in the data structure is expected to have a certain type, but it does not match the required type.
  
  In essence, the error is caused by a mismatch between the expected data type for a TABLES parameter and the actual data type being provided in the migration process.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Mapping: Review the data mapping configuration in the migration tool. Ensure that the data types for the TABLES parameters are correctly defined and match the expected types.
  
  
  Review Data Structure: Look at the structure of the source data and the target data model. Ensure that the data being migrated adheres to the expected formats and types.
  
  
  Adjust Data Types: If necessary, adjust the data types in the source data or modify the mapping configuration to ensure compatibility.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or examples that can help clarify the expected data types and structures.
  
  
  Test with Sample Data: If possible, test the migration with a smaller set of sample data to isolate the issue and verify that the changes you make resolve the error.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it often contains troubleshooting tips and best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_10020101 error in your SAP data migration process.