How To Fix CNV_NCE_BAS146 - NR interval &1: pattern '&2' has an incorrect length

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 146

• Message text: NR interval &1: pattern '&2' has an incorrect length

What causes this issue?

You have specified a pattern that is shorter or longer than the numbers
of the corresponding number range interval.

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?

Change the pattern so that it has the same number of digits as the
number range interval. If you use the '*' sign in the pattern, the
pattern length must be smaller than the number of digits in the
corresponding number range interval.

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_NCE_BAS146 - NR interval &1: pattern '&2' has an incorrect length ?

  The SAP error message CNV_NCE_BAS146 typically occurs during data conversion processes, particularly when using the SAP Data Migration tools or during the execution of a conversion program. This error indicates that there is an issue with the length of a numeric interval that is being processed.
  Cause:
  The error message CNV_NCE_BAS146 NR interval &1: pattern '&2' has an incorrect length suggests that:
  
  The numeric interval specified (denoted by &1) does not conform to the expected length or format.
  The pattern (denoted by &2) that is being used to define the numeric interval is either too short or too long, or it does not match the expected format for the data type being processed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Format: Review the data that is being processed to ensure that the numeric intervals are defined correctly. Make sure that the length of the numeric values matches the expected length defined in the target structure.
  
  
  Adjust the Pattern: If you have control over the pattern being used, ensure that it is correctly defined. The pattern should match the expected format for the numeric interval.
  
  
  Review Configuration Settings: If this error occurs during a migration or conversion process, check the configuration settings in the migration tool or program. Ensure that the settings for numeric intervals are correctly defined.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion tool you are using. There may be specific guidelines or known issues related to numeric intervals.
  
  
  Test with Sample Data: If possible, test the conversion with a smaller set of sample data to isolate the issue. This can help you identify if the problem is with specific records or a broader configuration issue.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with a technical expert who has experience with data migration and conversion processes in SAP.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their documentation for best practices.
  Error Logs: Review any error logs or detailed messages that accompany the error to gain more insight into what might be causing the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_NCE_BAS146 error in your SAP environment.