Prince
It says that `pq.add` is not a function, hence it's either `undefined`, `null` or another datatype. I suggest you do something like this to avoid the issue ```js if (typeof...
It says that `this.calendar.floorKey` is not a function, hence it's either `undefined`, `null` or another datatype. I suggest you do something like this to avoid the issue ```js if (typeof...
It simply says that the `window` object is not defined and it seems like you are using Next.Js not just React.Js in your project. In Next.Js projects we call the...