Error fix
How to fix “Yarn Berry / PnP resolution”
Plug’n’Play could not resolve a package—cache, constraints, or missing deps.
Updated Apr 20, 2026
Fastest fix
Start here first. Step 1 fixes most cases—then work down the list.
- Reproduce with the smallest URL/command and capture full stderr or response body.
- Confirm versions (runtime, CLI, framework) against official requirements.
- Compare with CI or a second machine to rule out local-only issues.
What this means
Plug’n’Play could not resolve a package—cache, constraints, or missing deps. Use the steps below as a practical checklist—adapt commands to your OS and stack.
Common causes
Environment mismatch
Different Node/OS versions, missing env vars, or drift between local and deployed configs.
Bad inputs or timing
Race conditions, partial deploys, or hitting endpoints before dependencies are ready.
Step-by-step fix
Isolate and verify
- Reproduce with the smallest URL/command and capture full stderr or response body.
- Confirm versions (runtime, CLI, framework) against official requirements.
- Compare with CI or a second machine to rule out local-only issues.
Related
FAQ
- Is this tailored to my exact stack?
- These pages are structured guides. Swap in your package manager, paths, and hosting dashboard names.
- What should I paste into support?
- Full error text, timestamps, versions, and whether it reproduces in a clean profile or container.
- Can I share this page?
- Yes—each fix has a stable URL. Use “Copy fix link” on the page for teammates.
Fix related issues
Still stuck? Try these related fixes next.
- Missing package.json fileNode/npm expected a package.json in this folder—the project root is wrong or the file was never created.
- pnpm unexpected storeThe content-addressable store path does not match the project—often after switching machines.
- npm peer dependency conflict (ERESOLVE)npm could not satisfy peer ranges—often a major version bump or duplicate packages.
- Cannot find module (Node / bundler)The runtime or bundler could not resolve an import—missing package, wrong path, or build config.
- npm ERR! tracker idealtree already existsnpm’s internal dependency tree build hit a corrupted or locked state—often cache or concurrent installs.
Edit your error
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Original error message
YN0001: Exception when trying to load ...