How To Fix CNV_DMC_MC008 - Field name can only contain letters, numbers, or underscore characters

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 008

• Message text: Field name can only contain letters, numbers, or underscore characters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC008 - Field name can only contain letters, numbers, or underscore characters ?

  The SAP error message CNV_DMC_MC008 indicates that there is an issue with a field name in the context of data migration or conversion. Specifically, the error states that the field name can only contain letters, numbers, or underscore characters. This typically occurs when the field name being used contains invalid characters, such as spaces, special characters, or punctuation.
  Cause:
  
  Invalid Characters: The field name may contain characters that are not allowed, such as spaces, hyphens, or special symbols.
  Field Name Length: The field name might exceed the maximum length allowed by SAP.
  Incorrect Mapping: During data migration, the mapping of fields may have been incorrectly defined, leading to the use of invalid field names.
  
  Solution:
  
  
  Check Field Names: Review the field names in your data migration or conversion process. Ensure that they only contain:
  
  Letters (A-Z, a-z)
  Numbers (0-9)
  Underscore (_)
  
  
  
  Rename Fields: If you find any invalid field names, rename them to conform to the allowed character set. For example, replace spaces with underscores or remove special characters.
  
  
  Review Mapping Configuration: If you are using a mapping tool or configuration, ensure that the field names are correctly defined and do not contain any invalid characters.
  
  
  Test Changes: After making the necessary changes, re-run the data migration or conversion process to see if the error persists.
  
  
  Consult Documentation: Refer to SAP documentation or guides related to the specific data migration tool you are using (e.g., SAP Data Migration Cockpit) for additional guidelines on naming conventions.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error.
  Data Migration Cockpit: If you are using the SAP Data Migration Cockpit, familiarize yourself with its requirements and limitations regarding field names.
  Field Naming Conventions: Review SAP's general field naming conventions to ensure compliance in future projects.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC008 error and successfully proceed with your data migration or conversion tasks.