ActionScript 3.0 :: TypeError: Error #2007: Parameter Child Must Be Non-null

Oct 19, 2010

This code is within a class called "Tile", which has a public variable (MovieClip) set named "propGFX". I am trying to call the function removeProp, which will remove the propGFX movieclip. These are the only 2 lines in that function:

trace("REMOVE: " + propGFX);
removeChild(propGFX);

Here is what the function traces and the error it gives:

REMOVE: null
TypeError: Error #2007: Parameter child must be non-null.

HOWEVER.... If I comment out the "removeChild(propGFX)", this is what it traces:

REMOVE: [object grasstreeTile00]

Why would propGFX be null if that line is in the function right after it? This makes no sense to me at all.

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