A misunderstanding is when two or more people don't understand each other correctly, leading to confusion or problems. It often happens because of a lack of clear communication or different interpretations of what was said or done. Full definition
Another example of total misunderstanding of someone who does not know about what is going on within their own industry but feel very capable of representing it to clients. (remonline.com)
There is a lot of misunderstanding about what the word discipline means. (attachfromscratch.com)
This is probably an original idea of his based on misunderstanding climate commitment. (realclimate.org)