My name is Kengo Skorick and I'm a teacher using Canvas. I've been struggling to resolve this issue since December without any luck and getting desperate.. Basically somehow I've accidentally created many new sections, but the option to exit from them uniquely does not present itself for me and me only (no "x"), therefore making it impossible to delete the redundant sections. I'm stuck in a circular problem. The result is as follows:



Would love to know what to do next.. Thank you very much in advance for anyone's time.