The only supported ciphers are AES-128-CBC and AES-256-CBC with the correct key lengths.


When Laravel Front-End side Result display this kinds of error just follow some instruction bello:

  • Install your laravel Package Frist
  • delete .env file
  • copy .env.example .env
  • php artisan key:generate
  • remove env() in ‘key’ in config/app.php

Run php artisan key:generate.

Then copied the output in the brackets, and put in my .env file as


php artisan config:clear,

then php artisan config:cache

If  don’t have .env copy from .env.example: