I am able to register through postman successfully which is reflected in my database but while registering through frontend nothing is reflected and while signing in through localhost via postman it is showing "TypeError: db.select is not a function"

[whatislifeworth]

<title>Error</title>

TypeError: db.select is not a function
    at Object.handleSignIn (C:\Users\Administrator\Desktop\node\controllers\signin.js:2:5)
    at C:\Users\Administrator\Desktop\node\server.js:30:38
    at Layer.handle [as handle_request] (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\layer.js:95:5)
    at next (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\route.js:137:13)
    at Route.dispatch (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\route.js:112:3)
    at Layer.handle [as handle_request] (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\layer.js:95:5)
    at C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\index.js:281:22
    at Function.process_params (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\index.js:335:12)
    at next (C:\Users\Administrator\Desktop\node\node_modules\express\lib\router\index.js:275:10)
    at C:\Users\Administrator\Desktop\node\node_modules\body-parser\lib\read.js:130:5

[whatislifeworth]

It was just a silly error. I forgot to install clarifai package in the backend.