How to fix an error: Failed to get application_commands for command imagine

[JuanMontengro]

I executed command like this: node imagin.js

const msg = await client.Imagine("A little pink elephant", (uri) => {
console.log("loading", uri);
});

Using above code, follow error occured:
Error: Failed to get application_commands for command imagine
How can I fix this error?
thanks

[zcpua]

erictik/midjourney-api#169