How to Fix "Failed to open stream: No such file or directory" (vendor/autoload.php) 🚀

Stuck with the "Fatal error: require(): Failed opening required 'vendor/autoload.php'"? Don't panic! This is one of the most common errors in PHP and Laravel, and it usually means one thing: your dependencies are missing.

In this quick tutorial, I’ll show you exactly why this happens and the 3 simple commands to fix it instantly. Whether you just cloned a GitHub repo or moved your project to a new server, this fix works every time.

✅ What we cover in this video:

Why the vendor folder is missing.

How to install Composer (if you haven't already).

The magic command: composer install.

Troubleshooting "Composer command not found."

Fixes for Laravel, Symfony, and pure PHP projects.

🚀 Commands Used in this Video:

composer install (Installs dependencies from composer.lock)

composer update (Updates dependencies to latest versions)

composer dump-autoload (Refreshes the mapping)

📌 Timestamps:
0:00 The Error Explained
0:35 The Quick Fix (Composer Install)
0:50 What if you don't have Composer?
1:15 Fixing Permissions Issues
1:40 Summary & Success!
#PHP #Laravel #WebDevelopment #CodingError #Composer #ProgrammingTips #SoftwareEngineering #BackendDeveloper

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Welcome to Imran Dev AI.

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I am Imran Ahmed, a Senior Full-Stack Engineer with 8+ years of experience specializing in Laravel, React, and AI Integration. I have architected SaaS platforms that handle thousands of users, built complex automation engines (like Blog Cutter AI), and optimized high-traffic databases.

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#Laravel #SaaS #SoftwareArchitecture #ImranDevAI #SeniorDeveloper #WebDevelopment

Imran Dev AI, Senior Laravel Developer, SaaS Architecture, Laravel Tutorial 2026, Advanced PHP, Full Stack Engineering, Software Architecture, Build a SaaS, Real World Coding, System Design, OpenAI Integration, React and Laravel, Web Development Career, Senior Software Engineer, Database Optimization, DevOps for Developers, Imran Ahmed Developer, Coding Mentorship, Production Ready Code, High Performance Web Apps.

Видео How to Fix "Failed to open stream: No such file or directory" (vendor/autoload.php) 🚀 канала Imran Dev BD