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If you’re a Next.js developer, you’ve definitely seen this warning: ⚠️ “Failed to load static props” or missing /_next/data/buildId/... But do you know why it happens? 👀 Let’s see how many of you actually know what’s going on behind the scenes — comment your thoughts below 👇 Full explanation in the description — and don’t forget to subscribe for more quick dev insights every week! 🧠 What’s going on under the hood Next.js creates a unique buildId for every static export (SSG). When you deploy a new build, users on an old session still reference the previous buildId — which no longer exists. That’s why you get 404s or “Failed to load static props”. Totally expected — this is how atomic deploys and cache-busting work. Next.js, React, Next.js error, Next.js static props, Next.js buildId, Next.js SSG, static site generation, React developers, web development, frontend dev, Next.js 14, Next.js tutorial, Next.js tips, Next.js warning, web dev, JavaScript, TypeScript, coding shorts, developer humor, programming shorts, software engineer, dev tips, coding problems, Next.js 404, cache busting, atomic deploys, static export, nextjs build id explained, frontend engineering #nextjs #reactjs #webdevelopment #codingshorts #devtips #frontend #softwareengineering #javascript #webdevtips #programming #techshorts #developerlife #codenewbie