Changing the value of threshold

[AzinPiran]

When I want to change the value of the threshold from 8 to 5, I get this error:
Traceback (most recent call last):
File "controller.py", line 202, in
controller.execute()
File "controller.py", line 79, in execute
command_params, self.full_file_path("Log_init.out"), self.full_file_path("Log_init.err"))
File "controller.py", line 171, in run_command
universal_newlines=True
File "/usr/lib/python2.7/subprocess.py", line 711, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1343, in _execute_child
raise child_exception
OSError: [Errno 8] Exec format error
What should I do to fix it? Please help me in this matter.