Vercel Common Errors

Overview

Diagnose and resolve the most common Vercel errors across three layers: build pipeline, serverless function runtime, and edge network. Each error includes the error code, root cause, and step-by-step fix.

Prerequisites

• Vercel CLI installed
• Access to deployment logs (vercel logs <url>)
• Access to Vercel dashboard for build logs

Instructions

Step 1: Identify the Error Layer

# Check deployment status and error details
vercel inspect <deployment-url>

# View function runtime logs
vercel logs <deployment-url> --follow