How To Fix CNV_DMC_MC017 - Field name '&' must start with a letter

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 017

• Message text: Field name '&' must start with a letter

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC017 - Field name '&' must start with a letter ?

  The SAP error message CNV_DMC_MC017 indicates that a field name in your data migration or conversion process does not adhere to the naming conventions required by SAP. Specifically, the error states that the field name must start with a letter, which is a common requirement in many programming and database environments to ensure valid identifiers.
  Cause:
  
  Invalid Field Name: The field name you are trying to use starts with a character that is not a letter (e.g., a number, special character, or whitespace).
  Data Mapping Issues: During the data migration process, the mapping of fields from the source system to the target system may have been incorrectly defined, leading to invalid field names.
  Configuration Errors: There may be configuration settings in the data migration cockpit or tools that are not set up correctly, causing the system to generate invalid field names.
  
  Solution:
  
  Check Field Names: Review the field names in your data mapping or conversion files. Ensure that all field names start with a letter and follow the naming conventions (e.g., no special characters, spaces, or starting with numbers).
  Modify Mapping: If you are using a mapping tool or configuration, adjust the mappings to ensure that all field names comply with SAP's requirements.
  Data Preparation: Before running the migration, preprocess your data to ensure that all field names are valid. This may involve renaming fields in your source data or transformation scripts.
  Consult Documentation: Refer to the SAP documentation for the specific data migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Migration Cockpit) for guidelines on valid field names and other naming conventions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing: After making changes, conduct thorough testing to ensure that the migration process runs smoothly without further errors.
  
  By addressing the field name issue and ensuring compliance with SAP's naming conventions, you should be able to resolve the CNV_DMC_MC017 error and proceed with your data migration successfully.