Cannot read property 'extend' of undefined

[adithyasai]

I am getting this error when i tried to clone the project and run the index file in browser

TypeError: Cannot read property 'extend' of undefined at p (toastr.min.js:1) at Object.b [as error] (toastr.min.js:1) at s. (controllers.js:29) at u. (aws-sdk.min.js:6) at u.h [as callListeners] (aws-sdk.min.js:7) at u.l [as emit] (aws-sdk.min.js:7) at u.g (aws-sdk.min.js:6) at u.e (aws-sdk.min.js:6) at n.i [as runTo] (aws-sdk.min.js:7) at aws-sdk.min.js:7