Assume you made a typing error, you accidentally deleted the closing quote mark " in activity.py line 70 when you were editing "Hello World!". The activity would not run, you might get an error like this:
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Assume you made a typing error, you accidentally deleted the closing quote mark " in activity.py line 70 when you were editing "Hello World!". The activity would not run, you might get an error like this:[[File:Failedtostart.jpg]]