Vue warning

[Berkmann18]

vue.runtime.esm.js?2b0e:619 [Vue warn]: You are using the runtime-only build of Vue where the template compiler is not available. Either pre-compile the templates into render functions, or use the compiler-included build.

found in

---> <FlashMessage>
       <VAppBar>
         <VApp>
           <App> at src/App.vue
             <Root>

Is this normal?