How To Fix CNV_CMIS_A_20259 - Table with content could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 259

• Message text: Table with content could not be read

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20259 - Table with content could not be read ?

  The SAP error message CNV_CMIS_A_20259 indicates that a specific table's content could not be read during a data migration or conversion process. This error is typically associated with the SAP Conversion and Migration tools, particularly in the context of the SAP S/4HANA migration or data transfer processes.
  Cause:
  
  Table Locking: The table may be locked by another process, preventing access to its content.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to read the table.
  Table Structure Changes: If the table structure has changed (e.g., fields added or removed), it may lead to issues in reading the content.
  Data Consistency Issues: There may be inconsistencies or corruption in the data that prevent it from being read properly.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the SAP system itself.
  
  Solution:
  
  Check Table Locking: Use transaction codes like SM12 to check if the table is locked by another user or process. If it is, you may need to wait until the lock is released.
  Verify Authorizations: Ensure that the user executing the migration has the necessary authorizations to access the table. You can check this using transaction SU53 or by consulting with your security team.
  Review Table Structure: Check if there have been any recent changes to the table structure. If changes were made, ensure that the migration tool is compatible with the new structure.
  Data Consistency Check: Run consistency checks on the data in the table. You can use transaction SE14 to check and repair database tables if necessary.
  Check System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Restart the Migration Process: Sometimes, simply restarting the migration process can resolve transient issues.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. You can search the SAP Support Portal for notes related to CNV_CMIS_A_20259.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific migration tool you are using, as it may provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.