How To Fix IU649 - Table & cannot be copied to itself

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 649

• Message text: Table & cannot be copied to itself

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU649 - Table & cannot be copied to itself ?

  The SAP error message IU649, which states "Table & cannot be copied to itself," typically occurs when you are trying to perform an operation that involves copying a table to itself. This can happen in various scenarios, such as during data migration, table updates, or when using certain transaction codes that involve table manipulation.
  Cause:
  The primary cause of this error is an attempt to execute a copy operation where the source and target tables are the same. This is not allowed because it would create a conflict in the data processing logic, leading to potential data corruption or inconsistency.
  Solution:
  To resolve this error, you should ensure that you are not trying to copy a table to itself. Here are some steps you can take:
  
  
  Check the Source and Target Tables: Verify the source and target tables in your operation. Make sure that they are different tables. If you intended to copy data from one table to another, ensure that the target table is correctly specified.
  
  
  Review the Code/Transaction: If you are using a custom program or transaction, review the code to ensure that the logic for copying data is correctly implemented. Look for any hardcoded table names or variables that might be causing the source and target to be the same.
  
  
  Use Appropriate Functions: If you are using a function module or a transaction that is designed for copying data, ensure that you are using it correctly. Refer to the documentation for the specific function or transaction to understand its requirements.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates related to this error message. There may be specific patches or updates that address this issue.
  
  
  Testing: If you are working in a development environment, try to replicate the issue with a smaller dataset or a different set of tables to isolate the problem.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context in which you encounter this error, it may be related to specific transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), or others that involve table manipulation.
  SAP Documentation: Refer to the official SAP documentation for detailed information on table operations and best practices.
  Community Forums: Consider checking SAP community forums or discussion boards for similar issues faced by other users and their solutions.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further assistance.