How To Fix CNV20201468 - &1: already entries existing for package no. &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 468

• Message text: &1: already entries existing for package no. &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201468 - &1: already entries existing for package no. &2 ?

  The SAP error message CNV20201468 indicates that there are already existing entries for a specific package number in the system. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of a conversion program.
  Cause:
  The error occurs when the system detects that there are already entries in the database for the specified package number (&2). This can happen due to:
  
  Duplicate data entries being processed.
  An incomplete or interrupted previous migration process that left residual data.
  Incorrect configuration or settings in the migration tool that lead to attempts to insert data that already exists.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Entries:
  
  Query the database to check for existing entries related to the package number (&2). You can use transaction codes like SE16 or SE11 to view the relevant tables.
  
  
  
  Identify Duplicates:
  
  If duplicates are found, determine whether they are valid entries or if they are remnants of a previous migration attempt.
  
  
  
  Remove or Update Duplicates:
  
  If the existing entries are not needed, you may consider deleting them. However, ensure that you have backups and that you understand the implications of removing data.
  If the entries are valid, you may need to adjust your migration logic to avoid inserting duplicates.
  
  
  
  Adjust Migration Settings:
  
  Review the configuration settings of the migration tool you are using. Ensure that it is set up to handle existing data appropriately, such as updating existing records instead of trying to insert them.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool or process you are using. There may be specific guidelines or best practices for handling such errors.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause or solution, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or the migration process you are using.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that may help in analyzing the data.
  Migration Tools: Understand the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and its capabilities regarding data handling.
  Error Logs: Check the logs generated during the migration process for additional context or related error messages that may help in diagnosing the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.