How To Fix CNV_NCE_BAS440 - Pattern '&2' is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 440

• Message text: Pattern '&2' is too long

What causes this issue?

Maximum number length for number range object &V1& is &V3&

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?

Correct the pattern.

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_BAS440 - Pattern '&2' is too long ?

  The SAP error message CNV_NCE_BAS440 with the description "Pattern '&2' is too long" typically occurs during data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a certain pattern or string exceeds the maximum length allowed by the system.
  Cause:
  
  Exceeding Length Limits: The error is usually caused by a string or pattern that exceeds the defined length limits for a specific field in the target database or application. This can happen if the source data contains longer values than what the target system can accommodate.
  Data Mapping Issues: If there are discrepancies in the data mapping between the source and target systems, it can lead to this error.
  Configuration Errors: Incorrect configuration settings in the migration tool or data mapping templates can also lead to this issue.
  
  Solution:
  
  Check Field Lengths: Review the field lengths in the target system and compare them with the source data. Ensure that the data being migrated does not exceed the maximum length allowed for each field.
  Data Truncation: If the source data contains values that are too long, consider truncating the data to fit the target field length. This can be done in the source data before migration or by using transformation rules in the migration tool.
  Adjust Mapping: If the error is due to incorrect mapping, adjust the mapping configuration to ensure that the data is being transferred correctly and within the allowed limits.
  Use Transformation Rules: If applicable, use transformation rules in the migration tool to modify the data during the migration process, ensuring that it adheres to the target system's constraints.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the limitations and best practices for data migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its capabilities, as it provides tools and templates for data migration.
  Testing: Always perform thorough testing in a development or sandbox environment before executing data migrations in production to identify and resolve potential issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or consulting with an SAP expert for further assistance.