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It's a waste of my time if there are others writing the same things as I would.

This is a waste of effort if you are also working on another forum.

I've never heard of "bool error"? Is bool short for boolean? Even then boolean error doesn't mean anything to me.

That looks like the assignment/program requirements.
What specific questions do you have about designing and writing the program?

Make a list of what needs to be done and start with the first...

Do you have any specific questions about the problems you are having?

BTW The code needs formatting. Too many statements are not indented to show logic nesting. All statements should not start...