How To Fix CNV_20345_CHECK026 - No mapping provided

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20345_CHECK - Message Class for 20345 Checks

• Message number: 026

• Message text: No mapping provided

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20345_CHECK026 - No mapping provided ?

  The SAP error message CNV_20345_CHECK026: No mapping provided typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools. This error indicates that there is a missing mapping for a specific field or data element that is required for the migration process.
  Cause:
  
  Missing Mapping Configuration: The most common cause of this error is that the mapping for a specific field in the source system to the target system has not been defined. This can happen if the migration template or mapping configuration is incomplete.
  Incorrect Data Structure: The data structure in the source system may not match the expected structure in the target system, leading to missing mappings.
  Custom Fields: If there are custom fields in the source system that do not have corresponding fields in the target system, this can also trigger the error.
  Inconsistent Data: If the data being migrated does not conform to the expected format or values, it may lead to mapping issues.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration in the migration tool. Ensure that all required fields have been mapped correctly from the source to the target system.
  Define Missing Mappings: If you identify any fields that are missing mappings, you will need to define them. This may involve creating new mappings or adjusting existing ones to ensure that all necessary data is accounted for.
  Validate Data Structure: Ensure that the data structure in the source system aligns with the target system's requirements. If there are discrepancies, you may need to adjust the data or the mapping accordingly.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or best practices for setting up mappings that can help resolve the issue.
  Testing: After making changes to the mapping configuration, perform a test migration to verify that the error has been resolved and that data is being migrated correctly.
  
  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: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its mapping capabilities, as it provides tools for managing data mappings effectively.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide insights or solutions based on their experiences.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20345_CHECK026 error in your SAP migration process.