How To Fix CNV_IUUC_TCR_REMOTE021 - Cannot update table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_TCR_REMOTE - Messages for remote components of transactional consistent

• Message number: 021

• Message text: Cannot update table &1

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_IUUC_TCR_REMOTE021 - Cannot update table &1 ?

  The SAP error message CNV_IUUC_TCR_REMOTE021 typically indicates that there is an issue with updating a specific table during a data migration or transformation process, particularly in the context of SAP's Landscape Transformation (SLT) or other data migration tools. The error message suggests that the system is unable to update the specified table, which is represented by &1.
  Possible Causes:
  
  Table Locking: The table may be locked by another process or transaction, preventing updates.
  Authorization Issues: The user or process attempting to perform the update may not have the necessary authorizations to modify the table.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the update from being applied.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the database itself.
  Replication Issues: If this is related to data replication, there may be issues with the source or target system configurations.
  
  Solutions:
  
  Check Table Locks: Use transaction codes like SM12 to check for any locks on the table. If locks are found, determine the process holding the lock and resolve it.
  Review Authorizations: Ensure that the user or service account has the necessary authorizations to update the table. You may need to adjust roles or permissions.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors that could prevent the update.
  Check System Logs: Review system logs (transaction SLG1 for application logs) for any additional error messages or warnings that could provide more context.
  Database Connectivity: Ensure that there are no connectivity issues between the application server and the database. Check for any network issues or database performance problems.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific migration or transformation process you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SLG1 (Application Log) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further assistance.