How To Fix CNV20201315 - __Target interval size = &1, required size according to NRIV entries = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 315

• Message text: __Target interval size = &1, required size according to NRIV entries = &2

Self-Explanatory Message

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• What is the cause and solution for SAP error message CNV20201315 - __Target interval size = &1, required size according to NRIV entries = &2 ?

  The SAP error message CNV20201315 indicates a discrepancy between the target interval size and the required size according to NRIV (Number Range Interval) entries during a data migration or conversion process. This error typically arises in the context of SAP data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error occurs when the size of the target number range interval (as defined in the target system) does not meet the requirements specified by the NRIV entries from the source system. This can happen due to:
  
  Mismatch in Number Range Configuration: The number range intervals in the target system are not configured to accommodate the number of records that need to be migrated.
  Insufficient Size: The target interval size is smaller than what is required based on the NRIV entries from the source system.
  Incorrect Mapping: The mapping of number ranges between the source and target systems may not have been set up correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check NRIV Entries: Review the NRIV entries in the source system to determine the required size for the number ranges. You can do this by using transaction code SNUM in the SAP GUI.
  
  
  Adjust Target Number Range: In the target system, adjust the number range intervals to ensure they are large enough to accommodate the required size. This can be done using transaction code SNRO to maintain number ranges.
  
  
  Reconfigure Mapping: If there is a mapping issue, ensure that the number ranges are correctly mapped between the source and target systems. This may involve updating the migration settings or configuration.
  
  
  Test Migration: After making the necessary adjustments, perform a test migration to verify that the error has been resolved.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  Related Information:
  
  Transaction Codes:
  
  SNUM: Display Number Ranges
  SNRO: Maintain Number Ranges
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the configuration settings and ensure that all prerequisites are met.
  
  By following these steps, you should be able to resolve the CNV20201315 error and successfully complete your data migration process.