After following the tutorial, I encounter this issue.
I am using Raspberry pi 4.
pi@raspberrypi:~/Sixfab_RPi_CellularIoT_Library/sample $ sudo python3 sendSMS.py
Sixfab Raspberry Pi Cellular IoT Application Shield Class initialized!
BG96 module disabled!
BG96 module enabled!
BG96 module powered up!
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 323, in _reconfigure_port
orig_attr = termios.tcgetattr(self.fd)
termios.error: (5, 'Input/output error')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "sendSMS.py", line 18, in <module>
node.sendATComm("ATE1","OK\r\n")
File "/usr/local/lib/python3.7/dist-packages/sixfab_cellulariot-1.2.0-py3.7.egg/cellulariot/cellulariot.py", line 200, in sendATComm
File "/usr/local/lib/python3.7/dist-packages/sixfab_cellulariot-1.2.0-py3.7.egg/cellulariot/cellulariot.py", line 172, in sendATCommOnce
File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 272, in open
self._reconfigure_port(force_update=True)
File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 326, in _reconfigure_port
raise SerialException("Could not configure port: {}".format(msg))
serial.serialutil.SerialException: Could not configure port: (5, 'Input/output error')
Would you please help?