How To Fix CNV20551309 - Table & in CNVTABLES was excluded from deletion

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 309

• Message text: Table & in CNVTABLES was excluded from deletion

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 CNV20551309 - Table & in CNVTABLES was excluded from deletion ?

  The SAP error message CNV20551309 indicates that a specific table (denoted by &) in the CNVTABLES was excluded from deletion during a data migration or conversion process. This message is part of the SAP Conversion and Migration tools, often used in projects like system upgrades, data migrations, or when implementing new functionalities.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Table Configuration: The table in question may be configured in such a way that it is marked as important or necessary for the migration process, hence it cannot be deleted.
  Data Dependencies: There may be dependencies on the data in this table from other tables or processes, which prevents its deletion.
  Custom Logic: Custom logic or settings in the migration project may have explicitly excluded this table from deletion.
  Data Integrity: The system may have determined that deleting this table could compromise data integrity or lead to inconsistencies in the database.
  
  Solution:
  To resolve this issue, consider the following steps:
  
  Review Table Configuration: Check the configuration settings for the table in the CNVTABLES. Ensure that it is indeed intended to be excluded from deletion.
  Check Dependencies: Investigate if there are any dependencies on this table. If other tables or processes rely on it, you may need to address those dependencies before proceeding.
  Consult Documentation: Refer to the SAP documentation or migration guidelines for your specific project. There may be specific instructions regarding the handling of this table.
  Modify Migration Settings: If it is appropriate to delete the table, you may need to adjust the migration settings or logic to allow for its deletion. This should be done with caution and ideally in consultation with your SAP Basis or technical team.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide insights based on the specific context of your migration project.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Tools: Familiarize yourself with the tools and processes involved in your migration project, such as the SAP Landscape Transformation (SLT) or SAP Data Services.
  Testing: Always perform thorough testing in a development or sandbox environment before applying changes to production systems.
  
  By following these steps, you should be able to identify the reason for the exclusion of the table from deletion and take appropriate action to resolve the issue.