How To Fix SY605 - No additional external session available for new ABAP Debugger

SY605 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 605

• Message text: No additional external session available for new ABAP Debugger

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 SY605 - No additional external session available for new ABAP Debugger ?

  The SAP error message SY605 ("No additional external session available for new ABAP Debugger") typically occurs when you attempt to start the ABAP Debugger, but the system has reached the limit of external sessions that can be opened for debugging. This can happen in environments where there are restrictions on the number of concurrent sessions or when the system is configured to limit the number of debugging sessions.
  Causes:
  
  Session Limit Reached: The maximum number of external sessions allowed for debugging has been reached. This limit is often set in the SAP system profile parameters.
  User Session Limit: The user may have reached the maximum number of allowed sessions for their user profile.
  System Configuration: The system may be configured to restrict the number of debugging sessions for performance reasons.
  Long-Running Sessions: Existing debugging sessions may not have been closed properly, leading to a buildup of active sessions.
  
  Solutions:
  
  
  Close Existing Debugger Sessions: Check if there are