Firstly, many thanks for your speedy response and support.
I ran the command / installed the packages you specified, however, it did not resolve the error!
Here is the output, also I have attached a screenshot of the shell. Any further ideas please?
$ sudo apt-get install i2c-tools libi2c-dev python-smbus
Reading package lists… Done
Building dependency tree
Reading state information… Done
i2c-tools is already the newest version (4.1-1).
libi2c-dev is already the newest version (4.1-1).
python-smbus is already the newest version (4.1-1).
The following package was automatically installed and is no longer required:
Use ‘sudo apt autoremove’ to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.