Facing issue on using multiple .robot files for parallel execution of test cases using pabotlib.

[ramyajt]

[ERROR] EXCEPTION RAISED DURING PABOT EXECUTION
[ERROR] PLEASE CONSIDER REPORTING THIS ISSUE TO https://github.com/mkorpela/pabot/issues
Pabot: 2.16.0
Python: 3.7.6 (tags/v3.7.6:43364a7ae0, Dec 19 2019, 00:42:30) [MSC v.1916 64 bit (AMD64)]
Robot Framework: 6.0.2
Stopping PabotLib process
Could not connect to PabotLib - assuming stopped already
Total testing: 2 minutes 7.80 seconds
Elapsed time: 2 minutes 17.18 seconds
Traceback (most recent call last):
File "C:\Software\Python37\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "C:\Software\Python37\lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "C:\Users\userid.conda\RobotFW_Artifacts_Libraries\Scripts\pabot.exe_main.py", line 7, in
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\pabot\pabot.py", line 1876, in main
return sys.exit(main_program(args))
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\pabot\pabot.py", line 1925, in main_program
pabot_args,
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\pabot\pabot.py", line 1332, in _parallel_execute
datasources, outs_dir, opts_for_run, pabot_args
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\pabot\pabot.py", line 1849, in _get_dynamically_created_execution_items
new_suites = plib.run_keyword("get_added_suites", [], {})
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\robot\libraries\Remote.py", line 100, in run_keyword
result = RemoteResult(self._client.run_keyword(name, args, kwargs))
File "c:\users\userid.conda\robotfw_artifacts_libraries\lib\site-packages\robot\libraries\Remote.py", line 253, in run_keyword
raise RuntimeError(message)
RuntimeError: Connection to remote server broken: [WinError 10061] No connection could be made because the target machine actively refused it