How do I fix: Method 2: Use a Different Database?

Step 1: If the above method doesn't work, you can try using a different database that has a higher maximum key length. For example, you can use MySQLi with a longer key length.

Coding⏱️ 2 min read📅 2026-05-30

How to Fix: Laravel Migration Error: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes

Q: How do I fix: 🔧 Proven Troubleshooting StepsMethod 1: Update the Max Key Length?

Step 1: Open your .env file and update the `DB_MAX_KEY_LENGTH` variable to a higher value, for example, `1024`. This will increase the maximum key length in the database.

Laravel Migration Error: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes.

Quick Answer: Run the migration again with the --force option, and then update your .env file to increase the key length limit.

📋 Table of Contents

💡 Why You Are Getting This Error
🔧 Proven Troubleshooting Steps
💡 Conclusion

Laravel Migration Error: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes

💡 Why You Are Getting This Error

When you run the `php artisan make:auth` command, Laravel creates a new migration file to create the necessary tables for authentication. However, in this case, the migration is failing due to a syntax error caused by the length of the unique key.

🔧 Proven Troubleshooting Steps

Method 1: Update the Max Key Length

Step 1: Open your .env file and update the `DB_MAX_KEY_LENGTH` variable to a higher value, for example, `1024`. This will increase the maximum key length in the database.

Method 2: Use a Different Database

Step 1: If the above method doesn't work, you can try using a different database that has a higher maximum key length. For example, you can use MySQLi with a longer key length.

💡 Conclusion

To resolve the migration error, update the max key length in your database or use a different database that supports longer keys. By following these steps, you should be able to successfully run the `php artisan make:auth` command and create the necessary tables for authentication.

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