error

[Muneera-Salah]

Hi Sir,,
I get these error when I run writer.py file

robot@ev3dev:~/ev3-print3rbot$ ./writer.py
Traceback (most recent call last):
File "./writer.py", line 481, in
main()
File "./writer.py", line 472, in main
wri = Writer(calibrate = True)
File "./writer.py", line 79, in init
self.calibrate()
File "./writer.py", line 111, in calibrate
if (self.touch_A.value()):
File "/usr/lib/python3/dist-packages/ev3dev/core.py", line 1758, in value
self._value[n], value = self.get_attr_int(self._value[n], 'value'+str(n))
File "/usr/lib/python3/dist-packages/ev3dev/core.py", line 214, in get_attr_int
attribute, value = self._get_attribute(attribute, name)
File "/usr/lib/python3/dist-packages/ev3dev/core.py", line 198, in _get_attribute
raise Exception('Device is not connected')
Exception: Device is not connected

[Brad750]

I have this same error. Did you ever correct this?