How To Fix CNV_MBT188 - Package &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 188

• Message text: Package &1 already exists

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_MBT188 - Package &1 already exists ?

  The SAP error message CNV_MBT188, which states "Package &1 already exists," typically occurs during the execution of a migration or conversion process in SAP, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an attempt to create a package that already exists in the system, which can lead to conflicts.
  Cause:
  
  Duplicate Package Creation: The error is primarily caused by an attempt to create a package with a name that already exists in the system. This can happen if the migration process is run multiple times without proper cleanup or if there is a misconfiguration in the migration settings.
  Incomplete Previous Migration: If a previous migration attempt was incomplete or failed, it might have left behind a package that is still registered in the system.
  Configuration Issues: There may be issues in the configuration settings that lead to the generation of duplicate package names.
  
  Solution:
  
  Check Existing Packages: Before running the migration again, check the existing packages in the system. You can do this by navigating to the relevant transaction codes (like SE80 or SE11) to see if the package already exists.
  Delete or Rename Existing Package: If you find that the package already exists and is not needed, you can delete it or rename it to avoid the conflict. Ensure that you have the necessary authorizations to perform these actions.
  Review Migration Settings: Review the migration settings to ensure that there are no configurations that would lead to the creation of duplicate packages.
  Cleanup Previous Migration Data: If a previous migration attempt failed, perform a cleanup of any leftover data or packages that may interfere with the new migration attempt.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool you are using for any additional troubleshooting steps or recommendations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context. You can search for notes related to the migration tool you are using.
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator) and SE11 (Data Dictionary) to manage packages and objects in the SAP system.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the recommended procedures for package creation and migration.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.