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by mikecmpbll 4253 days ago
Not sure how helpful this is, when it says there's no method called xyz, it's pretty obvious you called the wrong method, or you called it on the wrong thing. Your first thing should be checking that you didn't call the wrong method name.. which involves looking at the error which repeats the method name that you tried to call, and the object you called it on.

Bizarre that this is a genuine hang-up for people.