How To Fix GT669 - Conversion for sharing change from & to & not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 669

• Message text: Conversion for sharing change from & to & not supported

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 GT669 - Conversion for sharing change from & to & not supported ?

  The SAP error message GT669, which states "Conversion for sharing change from & to & not supported," typically occurs in the context of data sharing or data conversion processes within SAP systems. This error is often related to issues with data types or structures that are incompatible during a conversion or sharing operation.
  Cause:
  
  Data Type Mismatch: The error usually arises when there is an attempt to convert or share data between two incompatible data types. For example, trying to convert a character field to a numeric field without proper handling.
  Inconsistent Data Structures: If the data structures being used for sharing or conversion do not match in terms of expected formats or lengths, this error can occur.
  Custom Code Issues: If there are custom ABAP programs or enhancements that manipulate data sharing or conversion, they may not handle certain data types correctly.
  Configuration Issues: Incorrect configuration settings in the system that dictate how data is shared or converted can lead to this error.
  
  Solution:
  
  Check Data Types: Review the data types involved in the conversion or sharing process. Ensure that they are compatible and that any necessary conversions are handled correctly.
  Review Custom Code: If there is custom ABAP code involved, check for any logic that may be causing the issue. Ensure that data types are being handled properly and that conversions are explicitly defined where necessary.
  Adjust Data Structures: If the error is related to data structures, ensure that the structures being used for sharing or conversion are consistent and compatible.
  Debugging: Use debugging tools in SAP to trace the execution of the program or process that is causing the error. This can help identify the exact point of failure and the data types involved.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with. There may be known issues or patches available.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may have additional insights or solutions based on the specific context of your system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Transaction Codes: Depending on where the error occurs, you may want to look into specific transaction codes related to data sharing or conversion (e.g., data migration tools, data transfer processes).
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and potential solutions.
  
  By following these steps, you should be able to identify the root cause of the GT669 error and implement a suitable solution.