1) Honest ones that would have been hard to plan for

• 1) Honest ones that would have been hard to plan for
• 2) You being too proud / impatient / ”I know what I’m doing” / “This should (probably) work fine”
• 3) All the other kinds :)
• #1 Is non trivial to fix but #2 can really be fixed with a single slide

There are only 2 kinds of mistakes you can make