Cuando ejecuto index.js localmente, funciona. Cuando intento implementar el código en Heroku, este es el error que recibo.

 2022-01-11T05:25:24.034595+00:00 app[worker.1]: at Module._compile (node:internal/modules/cjs/loader:1101:14) 2022-01-11T05:25:24.034595+00:00 app[worker.1]: at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10) 2022-01-11T05:25:24.034595+00:00 app[worker.1]: at Module.load (node:internal/modules/cjs/loader:981:32) 2022-01-11T05:25:24.034595+00:00 app[worker.1]: at Function.Module._load (node:internal/modules/cjs/loader:822:12) 2022-01-11T05:25:24.034595+00:00 app[worker.1]: at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) { 2022-01-11T05:25:24.034596+00:00 app[worker.1]: code: 'MODULE_NOT_FOUND', 2022-01-11T05:25:24.034596+00:00 app[worker.1]: requireStack: [ '/app/index.js' ] 2022-01-11T05:25:24.034596+00:00 app[worker.1]: } 2022-01-11T05:25:24.156241+00:00 heroku[worker.1]: Process exited with status 1 2022-01-11T05:25:24.201235+00:00 heroku[worker.1]: State changed from up to crashed

Contenido de package.json

 { "dependencies": { "discord.js": "^13.5.1" }, "engines": { "node": "16.13.1" }, "name": "yourstickers-bot", "version": "1.0.0", "main": "index.js", "devDependencies": {}, "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "repository": { "type": "git", "url": "git+https://github.com/TheBread-Master/yourstickers-bot.git" }, "author": "Bread", "license": "ISC", "bugs": { "url": "https://github.com/TheBread-Master/yourstickers-bot/issues" }, "homepage": "https://github.com/TheBread-Master/yourstickers-bot#readme", "description": "" }

Ejecuté npm init y todavía no funcionó.