Can you please try again after deleting node_modules in case there is some broken artifact there ? If it reproduces, please report an issue to https://github.com/vaadin/flow/issues/new
It is independent-leaves=true option in .npmrc, which may be used only with hoist=false option.
Setting independent-leaves to true gives an average of 8% installation speed improvement but might break some packages that rely on location (as mentioned in documentation).
[INFO]
Scanning classes to find frontend configurations and dependencies…
[INFO]
Visited 693 classes. Took 672 ms.
[INFO]
Visited 94 classes. Took 27 ms.
[INFO]
writing file D:\my-starter-project\target\flow-frontend\package.json.
[INFO]
writing file ‘D:\my-starter-project\target\index.html’
[INFO]
writing file ‘D:\my-starter-project\target\index.ts’
[INFO]
Parsing java files from [D:\my-starter-project\src\main\java]
[INFO]
There are no connect endpoints to genertate.
[INFO]
Running pnpm install to resolve and optionally download frontend dependencies. This may take a moment, please stand by…
[INFO]
Generated pnpmfile hook file: ‘D:\my-starter-project\pnpmfile.js’
C:\Users\victor\AppData\Roaming\npm\pnpm.cmd
–shamefully-hoist=true install
Using hooks from: D:\my-starter-project\pnpmfile.js
readPackage hook is declared. Manifests of dependencies might get overridden
Resolving: total 290, reused 290, downloaded 0
Unfortunately we have error during build-frontend goal execution: