Can Somebody help me for my extension?

[hammouda101010]

its called turbomodz and it's an unfinished extension that adds new blocks to implement mods in turbowarp. im trying to get and add sprites, costumes and sounds in this extension, but it throws an error, can somebody help me? or can improve this extension?

here's the current list of blocks rn:

how to use the extension:

1. add it to your developement server
2. load the extension unsandboxed
3. test all blocks