How To Fix CNV_00001102 - Duplicate handling not needed because no key field is converted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 102

• Message text: Duplicate handling not needed because no key field is converted

What causes this issue?

Duplicate handling was set to &V1& (&V2&) for table &V3&. This is not
necessary since none of the converted fields is a key field.

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?

Choose no duplicate handling for the table &V3& if you don't plan to
convert any key field of this table.

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 CNV_00001102 - Duplicate handling not needed because no key field is converted ?

  The SAP error message CNV_00001102 indicates that during a data migration or conversion process, the system has detected that there are no key fields being converted for the specific data set being processed. This message is part of the SAP Conversion Tools and is typically encountered in the context of data migration projects, such as those using the SAP S/4HANA Migration Cockpit or other data transfer tools.
  Cause:
  The error occurs when:
  
  The data being processed does not have any key fields defined for conversion.
  The conversion logic or mapping does not include any fields that are considered key fields in the target system.
  The data set being processed may be empty or not relevant for the conversion process.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Data Mapping: Review the mapping configuration to ensure that key fields are correctly defined and included in the conversion process. Key fields are essential for identifying unique records in the target system.
  
  
  Verify Source Data: Ensure that the source data contains the necessary key fields. If the source data is missing key fields, you may need to adjust the data extraction or transformation process to include them.
  
  
  Adjust Conversion Logic: If the conversion logic is not set up to handle key fields, you may need to modify it to include the relevant key fields for the data being processed.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or requirements for defining key fields.
  
  
  Test with Sample Data: If possible, test the conversion process with a smaller set of sample data that includes key fields to ensure that the conversion logic works as expected.
  
  
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who has experience with data migration projects.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features and best practices for data migration.
  Data Quality: Ensure that the data quality is high, as poor data quality can lead to various issues during migration, including missing key fields.
  
  By following these steps, you should be able to address the CNV_00001102 error and successfully proceed with your data migration or conversion process.