How To Fix CNV20551527 - No tables were selected for drop or deletion

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 527

• Message text: No tables were selected for drop or 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 CNV20551527 - No tables were selected for drop or deletion ?

  The SAP error message CNV20551527 indicates that during a data migration or conversion process, no tables were selected for dropping or deletion. This error typically arises in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  
  
  No Tables Selected: The most straightforward cause is that the migration or conversion process did not identify any tables that need to be dropped or deleted. This could be due to:
  
  The tables already being empty or not containing any relevant data.
  The selection criteria for the tables not being met.
  A misconfiguration in the migration settings.
  
  
  
  Configuration Issues: There may be issues with the configuration of the migration project, such as incorrect mapping or settings that prevent the identification of tables for deletion.
  
  
  Data Integrity Constraints: If there are data integrity constraints or dependencies that prevent certain tables from being dropped, this could also lead to this error.
  
  
  Solution:
  
  
  Review Selection Criteria: Check the selection criteria used for identifying tables for deletion. Ensure that the criteria are correctly set to include the tables you intend to drop.
  
  
  Check Migration Settings: Review the migration project settings to ensure that they are configured correctly. This includes checking any filters or conditions that might exclude tables from being selected.
  
  
  Analyze Table Status: Investigate the status of the tables in question. If they are empty or do not meet the criteria for deletion, you may need to adjust your approach.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Log Analysis: Check the logs generated during the migration process for any additional error messages or warnings that could provide more context about why no tables were selected.
  
  
  Testing: If possible, run a test migration with a smaller dataset or a different set of tables to see if the issue persists. This can help isolate the problem.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for any known issues or best practices.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.