Help pleaseeeee

https://preview.redd.it/fspxb0kjmbng1.jpg?width=1600&format=pjpg&auto=webp&s=4eb5fe7e63734c03144671ec1ab5620778c8fbdb I'm programming this in LEGO Mindstorms EV3 Dump Truck, and it works up to about halfway, mainly with the body. At the beginning, it goes up and down, but then it stops working in other instances. This is my first time doing this. The first thing they asked me to do was this: "You want to build and program a LEGO EV3 truck that, starting from the rest station (green),...