Error when I type ./server

[nob345]

I get a error when I type ./server. I dont know how to use Rust. Please help me I tried type RUST_BACKTRACE=1 ./server and _RUST_BACKTRACE=full ./server_ but doesnt work

GrowRust made by kevz#2211!
thread 'main' panicked at src/item/iteminfo_manager.rs:113:13:
assertion `left == right` failed
  left: 1
 right: 0
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace