Ah I figured it out, I was passing in the wrong variable, and I guess Love2D interpreted the object being passed in as an image with 5 mipmap levels, when it was a table with 5 objects. Oops~

I'm trying to draw an image and getting this error. Doing some searching, I've learned that "required mipmap levels" has to do with the dimensions of the image being drawn, which in this case is 64x64 pixels = 7 required levels. However, for some reason my images only have 5 levels. Thus, ...