Bug in Timbu.com

Bugs in any software can cause damages to lives and the reputation of the company building it.Timbu is a logistic company specialise in moving people from one location to another with ease.Imagine travelling to London and the bug on the system indicate your landing destination to be Nigeria.What would you think will be the customer experience,and cost involve?
On the timbu website when you navigate to the study page,all the other navbar are absent and no link to return home.The leaves the user stranded to make other choices of what to do on other pages.
Checkout https://timbu.com/study