Help pleaseeeee

A LEGO Mindstorms EV3 user is seeking assistance with a programming challenge involving a motorized dump truck build. The project requires building and programming the truck to navigate a color-coded automated delivery route, starting from a green rest station and responding to specific operational commands.

The assignment requires the vehicle to follow a black line from the green rest station to a red factory or wholesaler station, where it pauses to perform a loading maneuver involving a turn and reverse. From there, the truck continues following the line to a yellow store or retailer station, utilizes medium motor A to lower and unload the truck body, and subsequently returns the body to its initial position. Finally, the vehicle must navigate back along the line to the green station, wait, and reject new orders until it completely reaches its starting rest position.

The builder reports that the program functions correctly for the first half of the route, specifically involving the dump body movements at the beginning, but stops working during subsequent instances. Because this represents the user's first experience with the LEGO Mindstorms EV3 system, they are asking the community to review their setup and programming logic.