Question

[Solved] No Application Encryption Key Has Been Specified

I’m new to Laravel and I’m trying to use the Artisan command…

php artisan serve

It displays…

Laravel development server started: http://127.0.0.1:8000

However, it won’t automatically launch and when I manually enter http://127.0.0.1:8000 it shows this error:

RuntimeException No application encryption key has been specified.

Any ideas? I’m using Laravel framework 5.5-dev.

Enquirer: Carlos F

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Solution #1:

From Encryption – Laravel – The PHP Framework For Web Artisans:

“Before using Laravel’s encrypter, you must set a key option in your
config/app.php configuration file. You should use the
php artisan key:generate command to generate this key”

I found that using this complex internet query in google.com:

“laravel add encrption key” (Yes, it worked even with the typo!)

Respondent: Amarnasan

Solution #2:

In my case, I also needed to reset the cached config files:

php artisan key:generate
php artisan config:cache
Respondent: Leonid Dashko

Solution #3:

Open command prompt in the root folder of your project and run below command:

php artisan key:generate

It will generate Application Key for your application.

You can find the generated application key(APP_KEY) in .env file.

Respondent: skm

Solution #4:

Simply run this command:

php artisan key:generate
Respondent: D J

Solution #5:

  1. Copy .env.example to .env:

    cp -a .env.example .env

  2. Generate a key:

    php artisan key:generate

  3. Only then run:

    php artisan serve

Respondent: Adam Pery

Solution #6:

cp .env.example .env if there is no .env file present.
php artisan key:generate command works for me. It generates the encryption key

Respondent: Sabyasachi Ghosh

Solution #7:

I actually had to add a .env file to my project and then copy the contents of .env.example so that the key:generate would work. Not sure why a .env file was not created when I started the project.

Respondent: Craig Kollross

Solution #8:

Open command prompt in the root folder of your project and run

php artisan key:generate

Then

php artisan config:cache

and Then

If you’re getting the same error after having key-value, then just copy the APP_KEY value from .env file and paste it to config/app.php with ‘key’ => ‘YOUR KEY’,

and then again run

php artisan config:cache
Respondent: kaushik

Solution #9:

php artisan key:generate
php artisan config:cache

worked for me, but it had to be done in a command prompt on Windows.

Doing it inside the terminal in PHPStorm didn’t worked.

Respondent: José Maria

Solution #10:

A common issue you might experience when working on a Laravel application is the exception:

RuntimeException No application encryption key has been specified.

You’ll often run into this when you pull down an existing Laravel application, where you copy the .env.example file to .env but don’t set a value for the APP_KEY variable.

At the command line, issue the following Artisan command to generate a key:

php artisan key:generate

This will generate a random key for APP_KEY, After completion of .env edit please enter this command in your terminal for clear cache:php artisan config:cache

Also, If you are using the PHP’s default web server (eg. php artisan serve) you need to restart the server changing your .env file values. now you will not get to see this error message.

Respondent: Udhav Sarvaiya

Solution #11:

Follow this steps:

  1. php artisan key:generate
  2. php artisan config:cache
  3. php artisan serve

Solution #12:

Okay, I’ll write another instruction, because didn’t find the clear answer here. So if you faced such problems, follow this:

  1. Rename or copy/rename .env.example file in the root of your project to .env.

You should not just create empty .env file, but fill it with
content of .env.example.

  1. In the terminal go to the project root directory(not public folder) and run

php artisan key:generate

  1. If everything is okay, the response in the terminal should look like this

Application key [base64:wbvPP9pBOwifnwu84BeKAVzmwM4TLvcVFowLcPAi6nA=]
set successfully.

  1. Now just copy key itself and paste it in your .env file as the value to APP_KEY. Result line should look like this:

APP_KEY=base64:wbvPP9pBOwifnwu84BeKAVzmwM4TLvcVFowLcPAi6nA=

  1. In terminal run

php artisan config:cache

That’s it.

Respondent: Dmitry Gordienko

Solution #13:

You can generate Application Encryption Key using this command:

php artisan key:generate

Then, create a cache file for faster configuration loading using this command:

php artisan config:cache

Or, serve the application on the PHP development server using this command:

php artisan serve

That’s it!

Solution #14:

If you git clone some project then this kind of issue may usually occur.

  1. make sure there is .env file
  2. run php artisan key:generate and then it should generate APP_KEY in .env
  3. finally run php artisan serve and it should be working.
Respondent: Jasbin Karki

Solution #15:

I ran into this issue when I manually copied the contents of my Laravel project (say sites/oldname) into a new directory on my Mac (say, sites/newname). Since I was manually dragging and droppping, it didn’t grab the hidden files, namely, ‘.env’.
When I looked more closely at sites/oldname I saw .editorconfig, .env, .env.example, .gitatrributes, .styleci.yml, etc.

The error went away once I copied the hidden files to the new directory.

So, “No Application Encryption Key Has Been Specified” is Laravel speak for “your .env file is missing.”

Respondent: JJ Rohrer

Solution #16:

I had to restart my queue worker using php artisan queue:restart after running php artisan key:generate to get jobs working.

Respondent: Joel Peltonen

Solution #17:

simply run

php artisan key:generate

its worked for me

Respondent: Dimuthu

Solution #18:

In my case, while cloning the project from git there was no .env

file. So I copy the .env file from the source project and paste in my current project and change its configuration of database and it run successfully.

Respondent: Pawan Verma

Solution #19:

Sometimes If everything Fails Use this:

Goto: laravelProject/config/app.php

Find the line: 'key' => and check to what it refers,

It can either be one of two:

Case 1: env('APP_KEY')
Case 2: "somekeystring"

For Case 1:
Goto your .env file after you have run cp -a .env.example .env
Enter a random string like 10101010101010101010101010101010

Now, run php artisan key:generate

Your key will be updated automatically.

For Case 2:
set a random string like for value of Key 10101010101010101010101010101010

Now, run php artisan key:generate

Your key will be updated automatically.

Respondent: imshashi17

Solution #20:

I found that most answers are incomplete here. In case anyone else is still looking for this:

  1. Check if you have APP_KEY= in your .env, if not just add it without a value.
  2. Run this command: php artisan key:generate. This will fill in the value to the APP_KEY in your .env file.
  3. Finally, run php artisan config:cache in order to clear your config cache and recache your config with the new APP_KEY value.
Respondent: Diligence Vagere

Solution #21:

In 3 steps:

Generate new key php artisan key:generate

Clear the config php artisan config:clear

Update cache php artisan config:cache

Respondent: Darlan D.

The answers/resolutions are collected from stackoverflow, are licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0 .

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