How To Fix CNV_CMIS_M018 - Initial mapping values are not permitted; enter a value

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_M - Message class for CMIS Migration

• Message number: 018

• Message text: Initial mapping values are not permitted; enter a value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_M018 - Initial mapping values are not permitted; enter a value ?

  The SAP error message CNV_CMIS_M018 indicates that during a data migration or conversion process, initial mapping values are not allowed, and the user is required to enter a valid value. This error typically occurs in the context of the SAP Conversion Management Information System (CMIS) or during data migration activities using tools like SAP S/4HANA Migration Cockpit or SAP Data Services.
  Cause:
  
  Initial Mapping Values: The error suggests that the system has encountered a situation where it expects a specific mapping value to be provided, but the input is either empty or set to an initial/default value that is not acceptable.
  Configuration Issues: There may be a misconfiguration in the mapping settings or the data source that leads to the absence of required values.
  Data Quality Issues: The source data may not contain the necessary values, or there may be inconsistencies in the data that prevent proper mapping.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the migration tool you are using. Ensure that all required fields have been correctly mapped and that no fields are left blank.
  If you are using a template, ensure that it is correctly filled out according to the specifications.
  
  
  
  Provide Valid Values:
  
  Go through the data that you are trying to migrate and ensure that all required fields have valid entries. If any fields are mandatory, make sure they are populated with appropriate values.
  
  
  
  Data Validation:
  
  Validate the source data for completeness and correctness. Ensure that there are no missing values in the fields that are required for mapping.
  If necessary, clean the data to remove any inconsistencies or errors.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or requirements for the mapping process that need to be followed.
  
  
  
  Error Logs:
  
  Check the error logs or detailed messages provided by the migration tool for more context on which specific mapping is causing the issue. This can help you pinpoint the exact problem.
  
  
  
  Seek Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Tools: Familiarize yourself with the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have unique features or requirements.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the CNV_CMIS_M018 error and successfully complete your data migration or conversion process.