How To Fix SY621 - Debugging timed out and request canceled

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 621

• Message text: Debugging timed out and request canceled

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY621 - Debugging timed out and request canceled ?

  The SAP error message SY621 ("Debugging timed out and request canceled") typically occurs when a debugging session in the ABAP environment takes too long to execute. This can happen for various reasons, such as inefficient code, long-running database queries, or issues with the system performance.
  Causes:
  
  Long Execution Time: The code being debugged may have loops or database calls that take a long time to execute.
  System Performance: The SAP system may be under heavy load, causing delays in processing.
  Debugging Settings: The timeout settings for the debugger may be set too low, leading to premature cancellation of the debugging session.
  Inefficient Code: The ABAP code may not be optimized, leading to longer execution times.
  
  Solutions:
  
  Optimize Code: Review the ABAP code for inefficiencies. Look for nested loops, unnecessary database calls, or other performance bottlenecks.
  Increase Timeout Settings: If you have access to the system settings, consider increasing the timeout settings for the debugger. This can usually be done in the SAP GUI under the debugger settings.
  Check System Performance: Monitor the system performance to ensure that it is not overloaded. You can use transaction codes like ST03N (Workload Analysis) or ST22 (Dump Analysis) to analyze performance issues.
  Use Breakpoints Wisely: Instead of setting multiple breakpoints, try to set them strategically to minimize the time spent in the debugger.
  Run in Background: If possible, run the program in the background instead of debugging it in the foreground. This can help avoid timeouts due to UI delays.
  Debugging in Smaller Chunks: If the program is large, consider breaking it down into smaller parts and debugging them individually.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and SE38 (ABAP Editor) for code analysis and debugging.
  Performance Analysis Tools: Use tools like ST05 (SQL Trace) to analyze database performance and identify slow queries.
  SAP Notes: Check SAP Notes for any known issues related to debugging timeouts. You can search for SY621 in the SAP Support Portal for specific notes or patches.
  
  By addressing the underlying causes and applying the suggested solutions, you should be able to resolve the SY621 error and improve your debugging experience in SAP.