How To Fix CNV_MBT395 - Package &1 not in customer name space

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 395

• Message text: Package &1 not in customer name space

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT395 - Package &1 not in customer name space ?

  The SAP error message CNV_MBT395 indicates that a package is not in the customer namespace. This typically occurs during the execution of a migration or conversion process, particularly when using SAP's tools for data migration or system conversion.
  Cause:
  
  Package Naming Convention: In SAP, packages are categorized into different namespaces. Customer namespaces usually start with "Z" or "Y". If a package is not in the customer namespace, it may be in a standard SAP namespace or an incorrect namespace.
  Configuration Issues: The system may be configured to expect certain packages to be in the customer namespace, and if they are not, this error will be triggered.
  Missing or Incorrect Packages: The package that is being referenced may not exist, or it may not be properly defined in the system.
  
  Solution:
  
  Check Package Namespace: Verify that the package you are trying to use is indeed in the customer namespace. If it is not, you may need to create a new package in the correct namespace or adjust your configuration to point to the correct package.
  Adjust Configuration: If the migration tool or process is incorrectly configured, you may need to adjust the settings to ensure it points to the correct packages.
  Create a New Package: If necessary, create a new package in the customer namespace and move the relevant objects or code into this package.
  Consult Documentation: Review the SAP documentation related to the migration or conversion process you are performing to ensure that you are following the correct procedures.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on migration issues.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) to check the package details and ensure that the package is correctly defined.
  Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit) and their requirements regarding package namespaces.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.