How To Fix CNV_DMC_MC027 - Rule &1 cannot start with a namespace prefix (the character æ/Æ)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 027

• Message text: Rule &1 cannot start with a namespace prefix (the character æ/Æ)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC027 - Rule &1 cannot start with a namespace prefix (the character æ/Æ) ?

  The SAP error message CNV_DMC_MC027 indicates that there is an issue with a rule in the Data Migration Cockpit (DMC) where the rule name is starting with a namespace prefix that is not allowed. Specifically, the character "æ" or "Æ" is not permitted as the starting character for a namespace prefix in the context of SAP DMC rules.
  Cause:
  The error occurs when a rule name is defined in a way that it begins with the character "æ" or "Æ". In SAP, certain characters are reserved or not allowed for naming conventions, especially for namespaces, which are used to avoid naming conflicts.
  Solution:
  To resolve this error, you need to rename the rule so that it does not start with the character "æ" or "Æ". Here are the steps you can follow:
  
  
  Identify the Rule: Locate the rule that is causing the error. This can usually be found in the Data Migration Cockpit where the rules are defined.
  
  
  Rename the Rule: Change the name of the rule to start with an allowed character. Typically, valid characters include letters (A-Z, a-z), numbers (0-9), and underscores (_). Avoid using special characters or reserved characters at the beginning of the name.
  
  
  Save Changes: After renaming the rule, save your changes.
  
  
  Test the Rule: Run the migration process again to ensure that the error has been resolved.
  
  
  Related Information:
  
  Naming Conventions: Familiarize yourself with SAP's naming conventions for rules and objects to avoid similar issues in the future. Generally, it's best to stick to alphanumeric characters and underscores for naming.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for more details on naming conventions and error handling.
  Support: If you continue to experience issues or if the error persists after renaming, consider reaching out to SAP support or consulting with your SAP administrator for further assistance.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC027 error and successfully proceed with your data migration tasks.