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how to make uitextview scroll in iOS Storyboards

I have a uitextview with more text that can fit in the view. I enabled "scrolling enabled" on the textview, however the scrollview does not scroll.

Here is how I populate the textview in viewDidLoad :

    PFQuery *query = [MyObject query];
    [query whereKey:@"cycleNumber" equalTo:_cycleNumber];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
        if([objects count] > 0){

            NSString *description = objects[0];

            _lessonDescriptionTextView.text = description;

        }
    }];

How can I make the textview scroll to show all content?

user interaction needs to be enabled! That was the problem

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