Select No at this screen.
Lastly, select Yes at this screen.
Exit configuration tool. Now we need to enable UART on raspberry pi. Shutdown and eject SD card to open in another computer. Open /boot/config.txt file, find the below statement and uncomment it to enable the UART. You can directly append it at the end of the file as well.
enable uart=1
Now, reboot raspberry pi device and open the console to install Gammu SMS Deamon and Python PiP package installer.
$ sudo apt-get update
$ sudo apt-get install python-pip gammu-smsd
Install Telegram Bot API python library.
$ sudo pip install python-telegram-bot==12.3.0