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Common Errors

EServiceAlreadyRegistered​

Cause: registering the same class/interface twice.

Fix: register once during bootstrap, or remove before re-registering.

EServiceNotFound (interfaces)​

Cause: calling GetInterface<I> without SingletonInterface<I, T>.

Fix: ensure you use the same GUID/tag for registration and resolution.

Get<T> returns nil​

Cause: the class is not registered.

Fix: ensure you called Singleton<T>, SingletonLazy<T>, Factory<T>, or AddInstance<T> before resolving.

Exception during Create(...) auto-injection​

Cause: missing registrations for constructor dependencies, or unsupported param types (e.g., primitives).

Fix: register constructor dependencies and keep Create(...) params to class/interface (or provide OnConstructorParams).