4.0.4] TypeError: Router.use() requires a middleware function but got a undefined · Issue #285 · nuxt-community/storybook · GitHub
TypeError: Router.use() requires middleware function but got a Object · Issue #3274 · expressjs/express · GitHub
![Abusing Express Middleware. How we use middleware to break up our… | by Harry Martland | DailyJS | Medium Abusing Express Middleware. How we use middleware to break up our… | by Harry Martland | DailyJS | Medium](https://miro.medium.com/max/1142/1*30FkzX6K6DElABUxK8bBUA.png)
Abusing Express Middleware. How we use middleware to break up our… | by Harry Martland | DailyJS | Medium
![javascript - Nodemon: app crashed waiting for file changes before starting... on Windows - Stack Overflow javascript - Nodemon: app crashed waiting for file changes before starting... on Windows - Stack Overflow](https://i.stack.imgur.com/DyKKn.png)
javascript - Nodemon: app crashed waiting for file changes before starting... on Windows - Stack Overflow
Router.use() requires middleware function but got a string · Issue #2 · uzochukwueddie/footballkik · GitHub
![TIL D-09 throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn)) TIL D-09 throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn))](https://img1.daumcdn.net/thumb/C176x176/?fname=https://k.kakaocdn.net/dn/ucz7Z/btqAQkJwKGc/NdSLHO5LA6oTlmZcd4j3yK/img.png)
TIL D-09 throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn))
![node.js - Route.post() requires a callback function but got a [object Undefined] (even though I have given the callback function) - Stack Overflow node.js - Route.post() requires a callback function but got a [object Undefined] (even though I have given the callback function) - Stack Overflow](https://i.stack.imgur.com/NS2it.png)
node.js - Route.post() requires a callback function but got a [object Undefined] (even though I have given the callback function) - Stack Overflow
![TypeError: Router.use() requires a middleware function but got a Object - How to fix this Express/Node.js error? - Poopcode TypeError: Router.use() requires a middleware function but got a Object - How to fix this Express/Node.js error? - Poopcode](https://i0.wp.com/poopcode.com/wp-content/uploads/2020/08/image-9.png?resize=350%2C200&ssl=1)