How To Fix CNV_DMC_SIN185 - Entered sales order 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: 185

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

What causes this issue?

You have selected external numbering for your sales order migration.
However, the sales order number you have entered exceeds the allowed
length on a sales order in the system

System Response

The migration cannot be performed.

How to fix this error?

Change the sales order 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_SIN185 - Entered sales order number &1 too long for external numbering ?

  The SAP error message CNV_DMC_SIN185 indicates that the entered sales order number is too long for the external numbering system. This typically occurs during data migration or when integrating systems where the sales order number exceeds the defined length in the target system.
  Cause:
  
  Length Exceedance: The sales order number you are trying to enter exceeds the maximum length defined in the SAP system for sales order numbers. Each SAP system has a specific configuration for the length of various identifiers, including sales orders.
  Configuration Mismatch: There may be a mismatch between the source system (where the data is coming from) and the target system (where the data is being loaded). If the source system allows longer sales order numbers than the target system, this error will occur.
  Data Migration Issues: During data migration, if the mapping of fields is not correctly defined, it can lead to this error.
  
  Solution:
  
  Check Configuration: Verify the maximum length of sales order numbers in the target SAP system. You can do this by checking the configuration settings in the relevant customizing transaction (e.g., SPRO).
  Adjust Data: If the sales order numbers in the source system are longer than the allowed length in the target system, you may need to truncate or modify the sales order numbers in the source data to fit the target system's requirements.
  Mapping Adjustments: If you are using a data migration tool, ensure that the mapping of fields is correctly set up to accommodate the length restrictions of the target system.
  Consult Documentation: Review the SAP documentation or notes related to data migration and external numbering to ensure compliance with best practices.
  Testing: After making adjustments, perform a test migration with a smaller dataset to ensure that the changes resolve the issue without introducing new errors.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error message.
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), and SPRO (Customizing) to help diagnose and resolve the issue.
  Data Migration Tools: If you are using SAP Data Migration Cockpit or other tools, refer to their specific documentation for handling external numbering and data length issues.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN185 error and successfully migrate or integrate your sales order data.