How To Fix CNV_DMC_SIN228 - Value Assignment &1 is not valid, can only be set to S or M.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 228

• Message text: Value Assignment &1 is not valid, can only be set to S or M.

What causes this issue?

The value assignment must be set to one of the following values:
S (single value allowed)
M (multiple values allowed)
Other values or an empty value is not allowed.

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?

Please check your values and adopt them.

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_SIN228 - Value Assignment &1 is not valid, can only be set to S or M. ?

  The SAP error message CNV_DMC_SIN228 indicates that there is an issue with the value assignment for a specific field in the Data Migration Cockpit (DMC) or during a data migration process. The error message states that the value assigned to a certain field (denoted by &1) is not valid and can only be set to either 'S' (for "Standard") or 'M' (for "Mass").
  Cause:
  
  Invalid Value Assignment: The field in question is likely expecting a specific set of values, and the value being provided does not match the allowed options ('S' or 'M').
  Data Mapping Issues: There may be a problem with how the data is being mapped from the source system to the target system, leading to incorrect values being assigned.
  Configuration Errors: There could be configuration settings in the DMC that are not set up correctly, leading to this validation error.
  
  Solution:
  
  Check the Data Source: Review the data being migrated to ensure that the values assigned to the field in question are either 'S' or 'M'. If the data contains other values, they need to be corrected.
  Adjust Mapping: If you are using a mapping template or tool, ensure that the mapping for the field is correctly set to only allow 'S' or 'M'. Adjust the mapping rules as necessary.
  Data Validation: Before running the migration, validate the data to catch any invalid entries. This can often be done using data quality tools or scripts.
  Consult Documentation: Refer to the SAP documentation for the specific migration process you are using to understand the expected values for the field and any additional constraints.
  Test Migration: After making the necessary adjustments, perform a test migration to ensure that the error does not occur again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this specific error message.
  DMC Configuration: Review the configuration settings in the Data Migration Cockpit to ensure that they align with the requirements of your migration project.
  Community Forums: Consider searching or posting in SAP community forums or support channels for insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN228 error and successfully complete your data migration.