How To Fix CNV_DMC_SIN405 - Field &2 on sheet/table &1 gets mandatory for multiple addresses

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 405

• Message text: Field &2 on sheet/table &1 gets mandatory for multiple addresses

What causes this issue?

If you assign multiple addresses to 1 business partner, the field &V2&
becomes mandatory on &V1& sheet/table.

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 source values and assign a value to each business partner
address. The &V2& must be unique for each business partner only. You can
use the same &V2& for different business partners.

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_DMC_SIN405 - Field &2 on sheet/table &1 gets mandatory for multiple addresses ?

  The SAP error message CNV_DMC_SIN405 indicates that a specific field (denoted as &2) in a particular sheet or table (denoted as &1) has become mandatory for multiple addresses during a data migration or conversion process. This error typically arises in the context of using the SAP Data Migration Cockpit (DMC) or similar tools when migrating data from legacy systems to SAP.
  Cause:
  
  Data Model Changes: The underlying data model in SAP may have changed, making certain fields mandatory that were previously optional. This can happen due to updates in the SAP system or changes in business requirements.
  Configuration Issues: The configuration settings in the migration tool may not align with the current requirements of the target SAP system, leading to mandatory fields not being populated correctly.
  Data Quality Issues: The source data may not have the required information for the mandatory fields, leading to errors during the migration process.
  
  Solution:
  
  Review the Data Model: Check the current data model in the target SAP system to understand which fields are mandatory. This can be done by reviewing the relevant documentation or using transaction codes like SE11 (Data Dictionary) to inspect the table definitions.
  Update the Migration Template: If the field is indeed mandatory, ensure that the migration template (Excel sheet or other formats) includes the necessary data for that field. Populate the required field for all relevant records.
  Data Cleansing: Before migration, perform data cleansing on the source data to ensure that all mandatory fields are filled. This may involve enriching the data or correcting any inconsistencies.
  Configuration Check: Verify the configuration settings in the migration tool to ensure they are set up correctly to handle the mandatory fields. Adjust the settings if necessary.
  Testing: After making the necessary adjustments, conduct a test migration with a smaller dataset to ensure that the error is resolved before proceeding with the full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration best practices.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific migration tool you are using for detailed instructions and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the root cause of the error and ensuring that all mandatory fields are populated correctly, you should be able to resolve the CNV_DMC_SIN405 error and proceed with your data migration successfully.