How To Fix CNV_DMC_MC_EXCEPTION190 - Field &1 of view &2 cannot be ôNot Visibleö; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 190

• Message text: Field &1 of view &2 cannot be ôNot Visibleö; see long text

What causes this issue?

For field &V1&, the view ?&V2&? is set to ?invisible?. This is not
possible as source structure &V3& is visible and should have at least
one field set to visible for this view.

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

System Response

How to fix this error?

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_MC_EXCEPTION190 - Field &1 of view &2 cannot be ôNot Visibleö; see long text ?

  The SAP error message CNV_DMC_MC_EXCEPTION190 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC). This error indicates that a specific field in a view is not allowed to be set to "Not Visible," which can disrupt the data migration process.
  Cause:
  
  Field Visibility Settings: The field in question is likely part of a data structure that requires visibility for the migration process. If the field is marked as "Not Visible," it can lead to inconsistencies or issues in the data mapping or transformation logic.
  Configuration Issues: There may be a misconfiguration in the data migration settings or the mapping of fields between the source and target systems.
  Data Model Constraints: The underlying data model may have constraints that require certain fields to be visible for the migration to proceed correctly.
  
  Solution:
  
  Check Field Settings: Review the settings for the field in the view specified in the error message. Ensure that it is set to "Visible" if it is required for the migration process.
  Adjust Mapping: If you are using a mapping template, ensure that the field is correctly mapped and that its visibility is appropriately configured.
  Review Migration Cockpit Configuration: Go through the configuration of the Data Migration Cockpit to ensure that all required fields are set up correctly and that there are no discrepancies in the data model.
  Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit to understand the requirements for field visibility and any specific constraints related to the data model you are working with.
  Long Text Analysis: Check the long text associated with the error message for additional context or specific instructions related to the error.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including field mapping, data validation, and error handling.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.