Software⏱️ 2 min read📅 2026-05-31

How to Fix: Getting a 500 Internal Server Error (require() failed opening required path) on Laravel 5+ Ubuntu 14.04

Laravel 500 Internal Server Error on Ubuntu 14.04 due to missing autoload file.

Quick Answer: Check if the /var/www/html/laravel_blog/../bootstrap/autoload.php file exists and is correctly configured, as mod_rewrite might be required for correct autoloading.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Getting a 500 Internal Server Error on Laravel 5+ Ubuntu 14.04 can be frustrating, especially when you've had success with Windows installations in the past.

🛑 Root Causes of the Error

  • Mod Rewrite not installed or set up properly
  • Missing or incorrect file paths in the require() function

🚀 How to Resolve This Issue

Method 1: Update Mod Rewrite Configuration

  1. Step 1: Update mod rewrite configuration by running the following command in your terminal: `sudo apt-get update && sudo apt-get install libapache2-mod-rewrite`

Method 2: Fix Missing or Incorrect File Paths

  1. Step 1: Check the file paths in your require() function and ensure they are correct. In this case, the path is likely missing a dot (`.`) at the beginning.

✨ Wrapping Up

By following these steps, you should be able to resolve the 500 Internal Server Error and get your Laravel application up and running smoothly on Ubuntu 14.04.

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