Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Bootstrap 3 Glyphicons are not working

Bootstrap 3 Glyphicons not working error, E003 error, coding issue.

Quick Answer: Check if the glyphicon font is included in your CSS file and that the icon class is correctly used. Ensure the font-face declaration is present in the Bootstrap CSS file.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Bootstrap 3 Glyphicons are not working because the font is not properly linked in your project. The 'E003' error usually indicates that there's a problem with CSS or JavaScript files.

⚠️ Common Causes

  • Font not properly linked in CSS file or HTML file.

🚀 How to Resolve This Issue

Method 1: Check CSS File

  1. Step 1: Open your CSS file and check if the font is properly linked. Make sure to include the correct link to the glyphicons font.

Method 2: Check HTML File

  1. Step 1: Open your HTML file and check if the glyphicons are being used correctly. Make sure to include the correct classes in your HTML tags.

✨ Wrapping Up

To resolve this issue, try checking both your CSS and HTML files for any errors or typos. If the problem persists, try reinstalling Bootstrap 3 or updating to a newer version.

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