How To Fix TPDA193 - You cannot switch to the classic debugger here

SAP Error Message - Details

• Message type: E = Error

• Message class: TPDA - Debugger

• Message number: 193

• Message text: You cannot switch to the classic debugger here

What causes this issue?

For technical reasons you cannot switch to the classical ABAP Debugger
here. The classical Debugger cannot be activated in conversion exits or
field exits, for example.

How to fix this error?

As soon as you have left the conversion exit, for example, you can
switch to the classical Debugger again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TPDA193 - You cannot switch to the classic debugger here ?

  The SAP error message TPDA193: "You cannot switch to the classic debugger here" typically occurs when you attempt to switch from the new debugger to the classic debugger in a context where it is not allowed. This can happen in various scenarios, such as when debugging certain types of programs or transactions that do not support the classic debugger.
  Causes:
  
  Context Restrictions: The classic debugger may not be available in certain contexts, such as when debugging ABAP programs that are executed in a specific environment (e.g., background jobs, certain transaction types).
  Debugger Settings: The system may be configured to use the new debugger exclusively, and switching to the classic debugger is not permitted.
  Program Type: Some programs or function modules may not support the classic debugger due to their nature or the way they are executed.
  
  Solutions:
  
  Use the New Debugger: Instead of trying to switch to the classic debugger, continue using the new debugger, which is the recommended approach in modern SAP systems.
  Check Debugger Settings: Ensure that your user settings allow for the use of the new debugger. You can check this in the SAP GUI under Utilities -> Settings -> Debugger.
  Debugging in Different Contexts: If you are trying to debug a background job or a specific transaction, consider running it in the foreground if possible, as this may allow you to use the debugger more effectively.
  Transaction Codes: Make sure you are using the correct transaction codes that support debugging. For example, using SE80 or SE38 to run programs in the foreground may help.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on debugging in your version of SAP, as there may be version-specific considerations.
  
  Related Information:
  
  New Debugger Features: The new debugger offers enhanced features compared to the classic debugger, including better performance, more user-friendly interfaces, and additional functionalities.
  SAP Notes: Check SAP Notes for any known issues or updates related to debugging in your specific SAP version.
  User Authorizations: Ensure that you have the necessary authorizations to debug programs in your SAP environment, as restrictions may apply based on user roles.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance, as they may have additional insights or access to system logs that can help diagnose the problem.