This dependency was not found:
To install it, you can run: npm install --save App
/ / Please paste the code text below (do not replace the code with pictures)
take a closer look, the error report means that the App? you quoted cannot be found in main.js.
because the information given by the question is incomplete, I guess that this problem occurs when the main.js file has a sibling App.vue,
result import App from "App" .
try import App from ". / App.vue" ?
App this component does not reference correctly
you are using import App from "App"
this is the
that is used to reference the installed npm package, please add a path such as import App from ". / App.vue"
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