How To Fix STC_TM301 - Breakpoint reached (set by user &1); task list execution interrupted

SAP Error Message - Details

• Message type: E = Error

• Message class: STC_TM - Task List Manager Messages

• Message number: 301

• Message text: Breakpoint reached (set by user &1); task list execution interrupted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STC_TM301 - Breakpoint reached (set by user &1); task list execution interrupted ?

  The SAP error message STC_TM301, which states "Breakpoint reached (set by user &1); task list execution interrupted," typically occurs during the execution of a task list in the SAP system when a breakpoint has been set in the ABAP code. This can happen during background processing or when executing a task list in transaction STC01 (Transaction for managing task lists).
  Cause:
  
  User-Defined Breakpoint: The error indicates that a breakpoint was set by a user (identified by &1) in the ABAP code. This could be intentional for debugging purposes or could have been left in the code unintentionally.
  Debugging Mode: If the task list is executed in a mode where breakpoints are active, the execution will stop at the breakpoint.
  Development Environment: This is more common in development environments where developers may set breakpoints for testing and debugging.
  
  Solution:
  
  
  Remove Breakpoints:
  
  If you have access to the ABAP code, you can remove the breakpoint. You can do this by:
  
  Going to the ABAP Editor (transaction SE38 or SE80).
  Opening the relevant program or function module.
  Navigating to the line with the breakpoint and removing it.
  
  
  Alternatively, you can use transaction SE80 or SE38 to manage breakpoints:
  
  Use the menu path: Utilities -> Breakpoints -> Display to see all breakpoints set by the user and remove them.
  
  
  
  
  
  Check User-Specific Breakpoints:
  
  If you are not the one who set the breakpoint, check with your development team or the user who set it to understand why it was placed and whether it should be removed.
  
  
  
  Run in Production Mode:
  
  Ensure that the task list is executed in a production-like environment where debugging is not enabled, and breakpoints are not set.
  
  
  
  Use Transaction ST22:
  
  If the issue persists, check transaction ST22 (Dump Analysis) for any related short dumps that might provide additional context or errors related to the task list execution.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific task list or program being executed for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction STC01: This transaction is used to manage and monitor task lists in SAP.
  Transaction SE80: This is the Object Navigator where you can manage ABAP programs and check for breakpoints.
  Debugging in SAP: Understanding how to set and remove breakpoints is crucial for developers working in SAP environments. Familiarize yourself with debugging tools and techniques in SAP.
  
  If the problem continues after following these steps, it may be necessary to involve your SAP Basis or development team for further investigation.