How To Fix CNV_DMC_MC019 - Namespace must contain between 3 and 8 characters after the character '/'

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 019

• Message text: Namespace must contain between 3 and 8 characters after the character '/'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC019 - Namespace must contain between 3 and 8 characters after the character '/' ?

  The SAP error message CNV_DMC_MC019 indicates that there is an issue with the namespace format in your SAP system. Specifically, the error states that the namespace must contain between 3 and 8 characters after the character '/'.
  Cause:
  This error typically occurs when you are trying to define or use a namespace in the SAP system that does not adhere to the required format. In SAP, namespaces are used to organize and manage objects, and they must follow specific naming conventions. The rules for namespaces generally include:
  
  The namespace must start with a '/' character.
  It must be followed by a string of characters that is between 3 and 8 characters long.
  The characters can include letters, numbers, and underscores, but cannot start or end with an underscore.
  
  Solution:
  To resolve this error, you should check the namespace you are trying to use and ensure it meets the following criteria:
  
  Starts with '/': Ensure that the namespace begins with a forward slash.
  Length: Ensure that the part after the '/' is between 3 and 8 characters long.
  Valid Characters: Ensure that the characters used are valid (letters, numbers, and underscores).
  
  Steps to Fix:
  
  Identify the Namespace: Determine where the invalid namespace is being defined or used in your SAP system.
  Modify the Namespace: Change the namespace to comply with the rules mentioned above. For example, if your namespace is /AB, you could change it to /ABC or /ABCD to meet the length requirement.
  Test the Changes: After making the changes, test the functionality that was causing the error to ensure that it is resolved.
  
  Related Information:
  
  Namespace Usage: Namespaces are often used in various SAP development environments, including ABAP development, transport requests, and custom development objects.
  SAP Documentation: For more detailed information on naming conventions and namespaces, refer to the official SAP documentation or the SAP Help Portal.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error message.
  
  If you continue to experience issues after making the necessary changes, consider reaching out to your SAP Basis team or consulting with SAP support for further assistance.