[ERROR] EXCEPTION RAISED DURING PABOT EXECUTION

Hello there, i have tried running 4 test suites at a directory level using below command.

C:\Evolution\NewPolicyNonEDI>pabot --processes 4 Tests.

I have got the below error

[``` ERROR] EXCEPTION RAISED DURING PABOT EXECUTION [ERROR] PLEASE CONSIDER REPORTING THIS ISSUE TO https://github.com/mkorpela/pabot/issues Total testing: 0.0 seconds Elapsed time: 0.0 seconds Traceback (most recent call last): File “C:\Users\prasannak\AppData\Local\Programs\Python\Python37-32\Scripts\pabot-script.py”, line 11, in <module> load_entry_point(‘robotframework-pabot==1.10.0’, ‘console_scripts’, ‘pabot’)() File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\site-packages\pabot\pabot.py”, line 1742, in main outs_dir = _output_dir(options) File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\site-packages\pabot\pabot.py”, line 1227, in _output_dir shutil.rmtree(outpath) File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\shutil.py”, line 516, in rmtree return _rmtree_unsafe(path, onerror) File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\shutil.py”, line 395, in _rmtree_unsafe _rmtree_unsafe(fullname, onerror) File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\shutil.py”, line 400, in _rmtree_unsafe onerror(os.unlink, fullname, sys.exc_info()) File “c:\users\prasannak\appdata\local\programs\python\python37-32\lib\shutil.py”, line 398, in _rmtree_unsafe os.unlink(fullname) PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: ‘.\pabot_results\2\robot_stderr.out’

To give a brief back ground of what i am trying

i have got a Folder called 'Tests' in C:\Evolution\NewPolicyNonEDI.
I am trying to run 4 suites which are present in the above folder.

Kindly investigate