It's the staple of so many tutorials this time of year. I'm following some and mostly know what I'm doing. But mostly is the operative word.
I cannot, for the life of me, figure out the Curve modifier. Sometimes it works perfectly. Other times (like now) it is an irritating failure. I have tried everything to get my array-of-lights-on-a-cord to follow the spiral curve found in the tree. I don't know what I'm doing wrong and would love some pointers.