Danebi

So you read the rules and decided to ignore them, right?

It seems like you started a vanilla server. Post the server logs.

Just post the debug.log.

In your log there should be an error, can you post it here?

You forgot the 'gui' folder.

The file is unavailable.

RegistryObject#get.

In your .minecraft\logs folder.

Post the debug.log.

Post the debug.log.

It gives errors because what you are writing isn't valid Java. If you want to mod Minecraft you're supposed to know Java. It has a javadoc but even if it didn't, you can still figure it by yourself. Then learn Java.

You already have the answer here:

Are you using a gamepad?

These methods are registered on the wrong event bus.

Post the debug.log.