How To Fix CNV_DMC_MC_EXCEPTION091 - Only one export parameter is permitted for a field-based rule

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 091

• Message text: Only one export parameter is permitted for a field-based rule

What causes this issue?

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

Only one export parameter is permitted for a field-based rule. In order
to save the field-based rule, you must first remove any additional
export parameters. You can do this by selecting the relevant line and
choose Remove Parameter.

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_EXCEPTION091 - Only one export parameter is permitted for a field-based rule ?

  The SAP error message CNV_DMC_MC_EXCEPTION091 indicates that there is an issue with the configuration of a field-based rule in the Data Migration Cockpit (DMC) or a similar data migration tool. Specifically, this error occurs when more than one export parameter is defined for a field-based rule, which is not allowed.
  Cause:
  The error is caused by the following:
  
  In the configuration of a field-based rule, multiple export parameters have been defined for a single field. The system expects only one export parameter to be specified for each field-based rule.
  
  Solution:
  To resolve this error, you need to review and modify the field-based rule configuration. Here are the steps to do so:
  
  
  Access the Configuration: Open the Data Migration Cockpit or the relevant tool where the field-based rule is defined.
  
  
  Locate the Field-Based Rule: Identify the specific field-based rule that is causing the error. This may involve checking the rules associated with the data migration object you are working on.
  
  
  Review Export Parameters: Check the export parameters defined for the rule. Ensure that there is only one export parameter specified for the field in question.
  
  
  Modify the Rule: If you find multiple export parameters, remove the unnecessary ones, leaving only the required export parameter.
  
  
  Save Changes: After making the necessary adjustments, save the changes to the configuration.
  
  
  Test the Migration: Run the data migration process again to verify that the error has been resolved.
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific migration tool you are using. This documentation often includes guidelines on configuring field-based rules and handling common errors.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC_EXCEPTION091 error and successfully configure your field-based rules for data migration.