How To Fix CNV20551386 - TABNAME=&1 in table pool &2 already exists in CNV_20551_POOL

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 386

• Message text: TABNAME=&1 in table pool &2 already exists in CNV_20551_POOL

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 CNV20551386 - TABNAME=&1 in table pool &2 already exists in CNV_20551_POOL ?

  The SAP error message CNV20551386 indicates that there is a conflict with a table name that already exists in the specified table pool during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when the system attempts to create or modify a table that is already defined in the table pool CNV_20551_POOL. This can happen due to:
  
  Duplicate entries in the migration data.
  An attempt to create a table that has already been created in a previous step of the migration process.
  Issues with the configuration or setup of the migration project.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the migration data to ensure that there are no duplicate entries for the table name specified in the error message. If duplicates exist, remove or consolidate them.
  
  
  Review Migration Steps: Ensure that the migration steps are being executed in the correct order. If a table has already been created in a previous step, you may need to skip the creation step for that table.
  
  
  Check Table Pool: Investigate the contents of the CNV_20551_POOL table pool to see if the table name already exists. You can do this by executing a SQL query or using transaction SE11 to view the table pool.
  
  
  Adjust Configuration: If the error is due to configuration issues, review the settings in your migration project to ensure they are correct and do not lead to conflicts.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or troubleshooting steps provided for this error.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They may have additional insights or patches available for your specific situation.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help in analyzing the issue.
  SAP Notes: Search for SAP Notes related to the error message CNV20551386. SAP frequently publishes notes that address known issues and provide solutions or workarounds.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the specific guidelines and best practices for data migration to avoid common pitfalls.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.