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Vercel errors and fixes

Build, deploy and serverless function errors on Vercel, including builds that work locally but fail in the cloud.

7 Vercel errors below. Each page shows the exact error text, what it means, likely causes and a step-by-step fix.

• Command "npm run build" exited with 1
  Your build script failed on Vercel.
• Works locally but fails on Vercel
  Something differs between your machine and Vercel's build environment..
• FUNCTION_INVOCATION_TIMEOUT (504)
  A serverless function ran longer than its allowed maximum duration and was stopped..
• FUNCTION_INVOCATION_FAILED (500)
  Your serverless function threw an unhandled error or crashed..
• 404: NOT_FOUND on Vercel
  Vercel has no file or route for the requested path..
• npm ERR! ERESOLVE unable to resolve dependency tree
  npm (v7+) found conflicting peer dependency requirements and refuses to install..
• No Output Directory named "dist" found after the Build completed
  The build ran, but the folder Vercel was told to serve doesn't exist..

Related error categories

• Vercel build & deploy errors: 6 pages
• Serverless & Edge Function errors: 4 pages

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