Failed to execute script 'app' due to unhandled exception

[MerluzaCuca]

Traceback (most recent call last):
File "app.py", line 68, in
File "app.py", line 62, in main
File "app.py", line 32, in run_pipeline
File "rexauto.py", line 2603, in main
File "rexauto.py", line 221, in stage_init
File "rexauto.py", line 144, in run
File "subprocess.py", line 548, in run
File "subprocess.py", line 1026, in init
File "subprocess.py", line 1538, in _execute_child
PermissionError: [WinError 5] Access denied