How To Fix 65503 - The class was changed in the meantime - No data transfer

SAP Error Message - Details

• Message type: E = Error

• Message class: 65 - Securities class data

• Message number: 503

• Message text: The class was changed in the meantime - No data transfer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 65503 - The class was changed in the meantime - No data transfer ?

  The SAP error message 65503, "The class was changed in the meantime - No data transfer," typically occurs in the context of data transfer processes, particularly when dealing with class-based data in SAP systems. This error indicates that the class definition or structure has been modified after the data transfer process was initiated, leading to inconsistencies.
  Cause:
  
  Class Modification: The most common cause is that the class definition (e.g., attributes, methods, or structure) was changed while a data transfer operation was in progress. This can happen if multiple users or processes are working on the same class simultaneously.
  Inconsistent Data: If the data being transferred relies on the structure of the class, any changes to that structure can lead to inconsistencies, causing the transfer to fail.
  Buffer Issues: Sometimes, the data in the buffer may not match the current class definition, leading to this error.
  
  Solution:
  
  Check Class Definition: Review the class definition to ensure that it has not been modified during the data transfer process. If changes are necessary, consider pausing the data transfer until the modifications are complete.
  Restart the Transfer: If the class was modified, you may need to restart the data transfer process after ensuring that the class definition is stable and consistent.
  Locking Mechanism: Implement a locking mechanism to prevent changes to the class while data transfers are in progress. This can help avoid conflicts and ensure data integrity.
  Error Handling: Implement error handling in your data transfer logic to gracefully manage situations where the class definition changes unexpectedly.
  Consult Documentation: Review SAP documentation or notes related to this error for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SE80 for Object Navigator, SE11 for Data Dictionary) to inspect class definitions and data structures.
  System Logs: Review system logs (transaction SLG1) for additional context or related error messages that may provide more insight into the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.