Vue.js routing errors can occur due to various reasons such as incorrect URLs, missing components, or incorrect path configuration. Here are some common solutions:

1. Check the URL: Make sure that you are entering the correct URL for your dynamic page. For example, if you have a dynamic user profile, the URL should be /user/:username instead of just /profile.

2. Verify Route Configuration: Check the route configuration in Vue.js. Ensure that the path is set correctly and that the component associated with each route is defined and imported properly. For example:

import UserProfile from './components/UserProfile.vue'

const routes = [
  { path: '/user/:username', component: UserProfile }
]

3. Use Dynamic Component: If you are using Vue Router to dynamically load components, make sure that the component exists and is correctly imported. for example:

<router-view></router-view>

4. Verify Route Resolvers: Check if there are any resolvers associated with your routes. If a resolver fails, it can cause a routing error. Ensure that all resolvers are defined and properly implemented.

5. Check Error Handling: Use Vue Router's error handling feature to catch errors and display meaningful messages to the user. for example:

const routes = [
  { 
    path: '/user/:username', 
    component: UserProfile, 
    errorComponent: ErrorPage 
  }
]

6. Use Vuex for State Management: If you are using Vue Router to load components based on some state stored in Vuex, ensure that the state is properly updated and loaded before the component is rendered. This will prevent the error from occurring.

By following these steps, you should be able to fix common Vue.js routing errors in dynamic pages.