Hi, I am glad you found this article. Please do read each comment, it is important. I had to reinstall my Ubuntu couple of times for ignoring a few things mentioned above. It is a challenging task as of now, please do go in details and in order to resolve. At the moment I am not able to recall the below error. Maybe next time will cover the error that I had encountered while installing.

But please do pay attention to details in the above steps, I was able to get it done without any problem. I have also mentioned the source that I have gone through if that might help you more with details.