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Activity Forums Adobe After Effects Expressions Undefined Not An Object

  • Undefined Not An Object

    Posted by Jon Mitchell on March 10, 2014 at 8:24 pm

    Trying to control a pre-comp’d clock in composition KLUP1 using a slider control.

    In the Clock composition I’m using this expression to try and control the rotation of the hour hand on the clock:
    Comp("KLUP1").layer("Slider").effect("Slider Control")("Slider");
    After Effects only yields this:

    I have double checked all the names, not sure what’s causing this issue and can’t find much information on ‘undefined is not an object ‘

    Any help would be much appreciated. 🙂

    Jon Mitchell replied 12 years, 2 months ago 1 Member · 1 Reply
  • 1 Reply
  • Jon Mitchell

    March 10, 2014 at 8:27 pm

    It was an uppercase ‘C’ in ‘comp’…
    Stupid syntax.

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