How To Fix CNV_NCE_BAS020 - &1 Range &2 &3: target level is bigger than upper limit

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 020

• Message text: &1 Range &2 &3: target level is bigger than upper limit

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_NCE_BAS020 - &1 Range &2 &3: target level is bigger than upper limit ?

  The SAP error message CNV_NCE_BAS020 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a target level specified in the migration process exceeds the defined upper limit for that particular field or parameter.
  Cause:
  The error message can be triggered by several factors, including:
  
  Data Mapping Issues: The target level you are trying to assign to a field is greater than the maximum allowed value for that field in the target system.
  Configuration Errors: The configuration settings in the target system may not align with the data being migrated, leading to discrepancies.
  Data Quality Issues: The source data may contain values that are not valid or exceed the limits defined in the target system.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Target Field Definition: Review the target field's definition in the target system to understand its limits. This includes checking data types, lengths, and any defined ranges.
  
  
  Adjust the Source Data: If the source data contains values that exceed the limits, you may need to cleanse or transform the data before migration. This could involve:
  
  Truncating values.
  Mapping values to a valid range.
  Removing or correcting invalid entries.
  
  
  
  Modify the Mapping Configuration: If you are using a mapping tool, ensure that the mapping configuration correctly reflects the limits of the target fields. Adjust the mapping rules as necessary.
  
  
  Consult Documentation: Refer to SAP documentation or migration guides specific to the version you are using. This can provide insights into field limits and data types.
  
  
  Testing: After making adjustments, perform a test migration with a smaller dataset to ensure that the changes resolve the issue without introducing new errors.
  
  
  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, which may provide insights into common issues and best practices.
  Data Validation Tools: Utilize data validation tools to analyze your source data for potential issues before migration.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete your data migration.