[BUG] Debugger error when a test starts

[lhimo]

Describe the bug
When I run a test in debug mode, I sometimes get this error. When a test fails, the debugger often gets disconnected from the execution, which continues to the end without stopping at the breaking point.

Task exception was never retrieved
future: <Task finished name='handle_message' coro=<DebugAdapterProtocol.handle_message() done, defined at /Users/usr/.vscode/extensions/d-biehl.robotcode-1.2.0/bundled/libs/robotcode/debugger/protocol.py:150> exception=DebugAdapterErrorResponseError('invalid response (seq=-1 command=""): Invalid response. Could not find id \'6\' in request list Response(request_seq=6, success=True, command=\'evaluate\', message=None, type=\'response\', seq=4, body={\'result\': \'Unable to evaluate expression. No context available.\', \'type\': \'FatalError\', \'variablesReference\': 0}) (Message(format="Invalid response. Could not find id \'6\' in request list Response(request_seq=6, success=True, command=\'evaluate\', message=None, type=\'response\', seq=4, body={\'result\': \'Unable to evaluate expression. No context available.\', \'type\': \'FatalError\', \'variablesReference\': 0})", id=-1, variables=None, send_telemetry=None, show_user=True, url=None, url_label=None))')>
Traceback (most recent call last):
  File "/Users/usr/.vscode/extensions/d-biehl.robotcode-1.2.0/bundled/libs/robotcode/debugger/protocol.py", line 157, in handle_message
    self.handle_error_response(message)
  File "/Users/usr/.vscode/extensions/d-biehl.robotcode-1.2.0/bundled/libs/robotcode/debugger/protocol.py", line 337, in handle_error_response
    raise exception
robotcode.debugger.protocol.DebugAdapterErrorResponseError: invalid response (seq=-1 command=""): Invalid response. Could not find id '6' in request list Response(request_seq=6, success=True, command='evaluate', message=None, type='response', seq=4, body={'result': 'Unable to evaluate expression. No context available.', 'type': 'FatalError', 'variablesReference': 0}) (Message(format="Invalid response. Could not find id '6' in request list Response(request_seq=6, success=True, command='evaluate', message=None, type='response', seq=4, body={'result': 'Unable to evaluate expression. No context available.', 'type': 'FatalError', 'variablesReference': 0})", id=-1, variables=None, send_telemetry=None, show_user=True, url=None, url_label=None))

Steps To Reproduce
Steps to reproduce the behavior:

1. Go to a test script
2. Run it in debug mode

Expected behavior
The debugger shows no error and stops correctly at breaking points

Desktop (please complete the following information):

• VS Code Version 1.99.3
• RobotCode Version 1.2.0
• OS: macOS 15.4.1
• Python Version 3.12.2
• RobotFramework Version 7.2.2
• Tidy 4.16.0
• Robocop 5.8.1

[d-biehl]

Cannot reproduce this bug. Do you use any specific library, variables, listeners or so?
Can you provide an example Test?

[lhimo]

Here is the robot.toml I am using

args = ["--exclude", "tag_1", "--exclude", "unavailable"]

name = "project_name"
output-dir = "Reports"
python-path = ["PythonScripts"]

[env]
EMAIL = ""
FULLNAME = ""
IS_CONSUMER = ""
PREFIX = ""
PHONE = ""
SIGN = ""

OS = "ios"

[d-biehl]

and a test case? I know this may be specific to your project, but maybe there is a library or whatever that produces this behavior.
I can't recreate this behavior with a simple test.

[lhimo]

Thanks @d-biehl
I will monitor and try to find a common pattern, so I can build a reproducible example