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Your app failed to start or behaves unexpectedly? Find the exact error below. Each page below is organized by the literal error message or status code Square Cloud shows in your logs or dashboard, with what it means, why it happens, and how to fix it.

App won't start

EADDRINUSE, Cannot find module, INVALID_DEPENDENCY, CONTAINER_TEMPORARILY_SUSPENDED, KEEP_CALM, better-sqlite3 bindings errors, and LACK_OF_RAM.

Discord bot errors

LoginFailure / TOKEN_INVALID, disallowed intents, Lavalink code 1006, and bots that go offline after working locally.

Database connection errors

“Host is not allowed to connect”, MongoNetworkError / Atlas IP whitelist failures, connection timeouts, ECONNREFUSED, and SSL/TLS errors.

Limits and Restrictions

RAM/CPU allocation rules, network limits, storage limits, and the LACK_OF_RAM / LACK_OF_CPU statuses in full detail.