How To Fix CNV_NCE_BAS145 - NR interval &1: pattern '&2' is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 145

• Message text: NR interval &1: pattern '&2' is not valid

What causes this issue?

You have specified an invalid pattern.

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 conforms to the corresponding rules:
The pattern must contain at least one sign '+' or '*'.
Only one '*' sign is allowed either in the first position or in the
position of a pattern.
A pattern cannot contain only signs '*' and '+'; other characters are
required.

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_BAS145 - NR interval &1: pattern '&2' is not valid ?

  The SAP error message CNV_NCE_BAS145 typically occurs during data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the format of a numeric interval that is expected but not provided correctly.
  Cause:
  The error message CNV_NCE_BAS145 NR interval &1: pattern '&2' is not valid suggests that:
  
  The numeric interval specified (represented by &1) does not conform to the expected format or pattern (represented by &2).
  This could be due to incorrect data entry, such as:
  
  Using invalid characters (e.g., letters or special characters).
  Incorrectly formatted numbers (e.g., using commas instead of periods for decimal points).
  Missing required values or ranges.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Format:
  
  Review the data you are trying to import or convert. Ensure that the numeric intervals are formatted correctly according to the expected pattern.
  If the expected format is a specific numeric range, ensure that both the lower and upper bounds are provided and are valid numbers.
  
  
  
  Refer to Documentation:
  
  Consult the SAP documentation or the specific migration tool's guidelines to understand the expected format for numeric intervals. This will help you identify what the valid pattern should look like.
  
  
  
  Data Validation:
  
  Validate the data before attempting the migration again. You can use tools or scripts to check for invalid entries in your dataset.
  
  
  
  Adjust Configuration:
  
  If you are using a custom migration program or tool, check the configuration settings to ensure that they align with the data you are trying to process.
  
  
  
  Test with Sample Data:
  
  If possible, create a small sample dataset that adheres to the expected format and test the migration process with that data to ensure that the issue is resolved.
  
  
  
  Consult SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your version or configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its requirements for data formats.
  Data Mapping: Ensure that your data mapping aligns with the target system's requirements, especially for numeric fields.
  
  By following these steps, you should be able to identify and correct the cause of the CNV_NCE_BAS145 error message.