Camineet

Hi guys, can you please help me figure this out. Most of my files won't even start to print. I've made a video here that shows some of my files will start printing fine, but some of them won't no matter how many times I try. https://drive.google.com/file/d/16jfZpIEmYZl5hXpIg93KMtP6mjbBEo1F/view?usp=sharing What's going on here?