How To Fix CNV_DMC_SIN231 - Entered sales contract number &1 too long for external numbering

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 231

• Message text: Entered sales contract number &1 too long for external numbering

Short Text
Entered sales contract number <(>&<)>1 too long for external numbering
Diagnosis
You have selected external numbering for your sales contract migration.
However, the sales contract number you have entered exceeds the allowed
length on a sales contract in the system
System Response
The migration cannot be performed.
Procedure
Change the sales contract number to an allowed length or switch to
internal numbering.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN231 - Entered sales contract number &1 too long for external numbering ?

  The SAP error message CNV_DMC_SIN231 indicates that the entered sales contract number is too long for the external numbering system. This typically occurs during data migration or when integrating systems where the sales contract number exceeds the defined length in the target system.
  Cause:
  
  Length Exceedance: The sales contract number you are trying to enter exceeds the maximum length defined in the SAP system for sales contract numbers.
  Configuration Mismatch: There may be a mismatch between the source and target systems regarding the length of the sales contract number.
  Data Migration Issues: If you are migrating data from another system, the source data may have longer contract numbers than what the target system can accommodate.
  
  Solution:
  
  
  Check Configuration: Verify the configuration settings in the target SAP system to determine the maximum allowed length for sales contract numbers. This can typically be found in the customizing settings under Sales and Distribution (SD).
  
  
  Adjust Data: If the sales contract numbers are too long, you may need to truncate or modify them to fit within the allowed length. Ensure that this does not lead to data integrity issues.
  
  
  Mapping Rules: If you are migrating data, establish mapping rules that ensure the sales contract numbers from the source system are transformed to fit the target system's constraints.
  
  
  Error Handling: Implement error handling in your data migration process to catch and log these types of errors, allowing for easier troubleshooting and correction.
  
  
  Consult Documentation: Review SAP documentation or notes related to the CNV_DMC_SIN231 error for any specific recommendations or updates that may apply to your situation.
  
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SE11 (Data Dictionary) to look at the table definitions and field lengths.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Data Migration Tools: If you are using SAP Data Migration Cockpit or other tools, ensure that you are following best practices for data mapping and transformation.
  
  By addressing the length issue and ensuring proper configuration, you should be able to resolve the CNV_DMC_SIN231 error.