How To Fix CNV_NCE_BAS188 - Number &1: Target number lies outside of interval

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 188

• Message text: Number &1: Target number lies outside of interval

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS188 - Number &1: Target number lies outside of interval ?

  The SAP error message CNV_NCE_BAS188 with the description "Number &1: Target number lies outside of interval" typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of certain programs that involve number ranges.
  Cause:
  This error indicates that a target number being processed falls outside the defined interval or range for that particular field or object. This can happen due to several reasons:
  
  Incorrect Configuration: The target number range may not be properly configured in the system.
  Data Issues: The data being migrated or converted may contain values that exceed the allowed limits.
  Mapping Errors: There may be an issue with how source values are mapped to target values, leading to invalid target numbers.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Number Ranges:
  
  Verify the number range settings for the relevant object in the SAP system. Ensure that the target number is within the defined range.
  You can check number ranges in transaction codes like SNRO (Number Range Objects) or SNUM (Number Range Management).
  
  
  
  Review Data:
  
  Inspect the data being migrated or converted to ensure that all values fall within the acceptable range.
  If necessary, clean or transform the data to fit within the defined intervals.
  
  
  
  Adjust Mapping:
  
  If you are using a mapping tool or a migration program, review the mapping logic to ensure that it correctly translates source values to target values.
  Make adjustments to the mapping if you find discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration or conversion process you are executing. There may be specific guidelines or known issues that can help you troubleshoot.
  
  
  
  Testing:
  
  After making adjustments, perform a test run of the migration or conversion process to ensure that the error does not recur.
  
  
  
  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:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SNRO, SNUM, and any specific transaction related to the migration tool you are using.
  SAP Notes: Search for SAP Notes related to the error message or the specific migration tool you are using, as they may provide additional insights or patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.