php artisan serve command display error message

Question

I am using php 7.3.2 on window 7. When I try to run php artisan serve, it shows this error on the webpage:

Whoops, looks like something went wrong.

Is it related to the message that I received when I want to migrate database, it says

Application In Production!

My error in laravel log shows

production.ERROR: RuntimeException: The only supported ciphers are AES-128-CBC and AES-256-CBC with the correct key lengths. in C:\xampp\htdocs\Inventory\vendor\laravel\framework\src\Illuminate\Encryption\Encrypter.php:43

Please post the relating error in your storage/logs/laravel.log file — ege
– ege, Commented Nov 27, 2019 at 10:08
The error shows production.ERROR: RuntimeException: The only supported ciphers are AES-128-CBC and AES-256-CBC with the correct key lengths. in C:\xampp\htdocs\Inventory\vendor\laravel\framework\src\Illuminate\Encryption\Encrypter.php:43 — irham dollah
– irham dollah, Commented Nov 27, 2019 at 10:11

ege · Accepted Answer · 2019-11-27 10:21:08Z

3

Following the error in your log file you seem to be missing your key attribute in your .env file. See this SO question for a solution.

To generate the secret key, run

$ php artisan key:generate

make sure to follow the official docs when installing Laravel.

edited Nov 27, 2019 at 10:21

answered Nov 27, 2019 at 10:14

ege

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Paladin · Accepted Answer · 2019-11-27 10:09:34Z

0

Your laravel is running in production mode. If you are developing local, you should switch that for your local maschine.

To do so: In your .env set the APP_ENV to local (APP_ENV=local) and try again.

Now, you will see the full error message and you are able to handle it now.

answered Nov 27, 2019 at 10:09

Paladin

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5 Comments

irham dollah Over a year ago

my .env.exampe file already put APP_NAME=Laravel, APP_ENV=local, APP_KEY=, APP_DEBUG=true, APP_LOG_LEVEL=debug, APP_URL=http://localhost

ege Over a year ago

@irhamdollah Your key-value is missing. See below answer

Devsi Odedra Over a year ago

@irhamdollah dont look .env.example, change in .env file

Paladin Over a year ago

You have to look to your .env, not your .env.example for this is just a template

Paladin Over a year ago

In case, you do not have an .env, copy the .env.example and rename it to .env, then execute on your cli php artisan key:generate and try again

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