Duplicate keys detected: '201'. This may cause an update error.

found in

---> <Todos> at src/components/Todos.vue
       <Home> at src/views/Home.vue
         <App> at src/App.vue
           <Root>

For some reasons my component templates are not getting loaded.

Module Warning (from ./node_modules/eslint-loader/index.js):
error: 'Todos' is defined but never used (no-unused-vars) at src/App.vue:8:8:
   6 | 
   7 | <script>
>  8 | import Todos from './components/Todos';
     |        ^
   9 | 
  10 | export default {
  11 |   name: 'app',


1 error found.

I am not sure why is this problem. I guess vue-template-loader is not working.. How do I get rid off this?

Kindly help me in this.

FYI: I am using Linux Mint 19 Tara

I'm having this error even tho i did every step correct
./src/App.vue Module Error (from ./node_modules/eslint-loader/index.js): error: 'res' is defined but never used (no-unused-vars) at src/App.vue:30:15: 28 | axios 29 | .delete(https://jsonplaceholder.typicode.com/todos/${id}`)

30 | .then(res => (this.todos = this.todos.filter(todo => todo.id !== id)))
| ^
31 | .catch(err => console.log(err));
32 | },
33 | addTodo(newTodo) {`

After creating the app, I installed the vue router, then installed axios, then copied in these source files. I got an error in the home.vue file at line 27. It said that res is not used. In a comment by Michael Gtz at around 4/30/2020, he said to change the code to look like this:

and it resolved the error.

If you're new to Vue and are needing to remove /#/ from the URL I've found this can be done in router.js by adding the below to the Router:

src/router.js:

mode: 'history',
hash: false,

versions:

"dependencies": {
    "axios": "^0.20.0",
    "core-js": "^3.6.5",
    "uuid": "^8.3.1",
    "vue": "^2.6.11",
    "vue-router": "^3.4.6"
  },

Hi everyone. Thank you very much Traversy for the course!
It is a quick and simple introduction to Vuejs and serves as a strong foundation for future learning.
I am facing a slight problem with jsonplaceholder however.
I constantly get cors errors and been bogging the head to fix it.
If anyone of the community could have a look at it I would very much appreciate it.