Unit 5 Lesson 17 ubble 19

CS Principles
1

https://studio.code.org/s/csp5-2018/stage/17/puzzle/19?section_id=1609867&user_id=39199604&viewAs=Teacher

What does this mean?
ERROR: Line: 2: TypeError: Applab.activeCanvas.getContext is not a function

2

I don’t see the code when I click the link. I think either you or the student will need to click the “share” button at the top and copy and paste that link here.