vue.js:437 [Vue warn]: Failed to resolve async component: ()=>({
      component:new Promise((resolve)=>(
        setTimeout(() => 
          resolve({template:"<div>loaded</div>"}), 200)
      )),
      loading: {template:"<div>loading</div>"},
      error: {template:"<div>timeout</div>"},
      delay: 200,
      timeout: 3000
    })
Reason: timeout (3000ms)