NestJS · Junior · Question 27 of 75

What does the error 'Nest can't resolve dependencies of the UsersController (?)' usually mean?

1The database is down
2The route path is invalid
✓Correct answer: A constructor dependency isn't provided in the module or isn't exported and imported from another module

Explanation

The ? marks the parameter Nest couldn't find. Check providers, exports and imports, and circular imports.

Further reading

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