No Application Encryption Key Has Been Specified Error in Laravel

Understanding the Error:

 

Error "No application encryption key has been specified" error commonly occurs when we do the fresh Laravel installation.Laravel uses this application key to secure sessions and data in Laravel.

 

Common Causes

 

 1. Application key not generated

        After the installation of the Laravel application, the key was not generated.

 

 2. Regenerate application key

          

After migration to a different server, we need to regenerate the key.

How to Fix the Error:

 1. Check the application key in env

Open the .env file and check if the application key is present.

 

APP_KEY=base64:xxxxxxxxxxxxxxxxx

 

In case, the above line is missing, then regenerate it using the next step.

2. Generating new application key

    

To generate a new application key. You can do this by running the following command in your
terminal.

       php artisan key:generate

3. Clear environment configuration cache

    

Run the command to clear the configuration cache.

 

    php artisan cache:clear

 

4. Verify the application key

 

Check the newly created application key in the environment file .env.

 

5. Test the application

 

Reload the Laravel application to make sure the error is gone.

 

Conclusion

The "No Application Encryption Key Has Been Specified" error in Laravel can be solved by
Check the application key in the environment file; in case the key is not present, then regenerate it.
by using the Laravel command. Make sure that the key is generated properly and reload the application.