The error message “you cannot render a <router> inside another <router>. you should never have more than one in your app.” is referring to the fact that you are trying to nest router components inside each other, which is not allowed.
A router component is responsible for handling the routing in an application and should be at the top level of your application. It defines the routes and decides which component should be rendered based on the current URL.
To understand this error in more detail, let’s consider an example. Suppose you have a simple application with two pages: “Home” and “About”. You are using a router component to handle the routing. Your code might look like this:
<router>
<home-component />
<about-component />
</router>
In this example, the <router> component is responsible for rendering the <home-component> or <about-component> based on the current URL. This configuration is correct.
However, if you try to nest another <router> component within one of the route components, like this:
<router>
<home-component>
<router>
<nested-component />
</router>
</home-component>
<about-component />
</router>
This will cause the error message because you cannot have a router component inside another router component. Instead, you should define all the routes at the top level and let the main router component handle the routing for the entire application.
To fix the issue, you need to refactor your code and remove the nested router component. Here’s an updated example:
<router>
<home-component />
<about-component />
<nested-component />
</router>
In this code, all the routes are defined at the top level, and the router component will handle the rendering of the appropriate component based on the URL.