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Node.js | How to solve: Route.POST() requires callback functions but got a [object Undefined] - DEV Community
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node.js - new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn)) - Stack Overflow
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javascript - Error: .post() requires callback functions but got a [object Undefined] not working - Stack Overflow
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node.js - Route.post() requires a callback function but got a [object Undefined] (even though I have given the callback function) - Stack Overflow
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TypeError: Router.use() requires middleware function but got a Object | Express Node JS Error Solved - YouTube
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