Router.use() 에러

throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn))
      ^

TypeError: Router.use() requires a middleware function but got a Object
    at Function.use (/Users/SaintKim/Documents/Node/Node_SNS/node_modules/express/lib/router/index.js:469:13)
    at Function.<anonymous> (/Users/SaintKim/Documents/Node/Node_SNS/node_modules/express/lib/application.js:227:21)
    at Array.forEach (<anonymous>)
    at Function.use (/Users/SaintKim/Documents/Node/Node_SNS/node_modules/express/lib/application.js:224:7)
    at Object.<anonymous> (/Users/SaintKim/Documents/Node/Node_SNS/app.js:53:5)
    at Module._compile (node:internal/modules/cjs/loader:1356:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1414:10)
    at Module.load (node:internal/modules/cjs/loader:1197:32)
    at Module._load (node:internal/modules/cjs/loader:1013:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:128:12)

Node.js v18.19.0
[nodemon] app crashed - waiting for file changes before starting...