Have you try with
Composer update
and after try with
php artisan key:generate
Though Lumen does not support Key:generate command from php artisan, so I did it manually as follows :
1> Added '\App\Console\Commands\KeyGenerateCommand' within protected $commands array in app/console/Kernel.php
2> kept the KeyGenerateCommand.php file in app/console/commands-folder
3> Added $app->configure('app'); in bootstrap/app.php
When you follow the above steps the key:generate command show up in php artisan list which I already implemented in another lumen project. Since I am not a Lumen expert henceforth I am unable to detect the error for . Hence I seek someones help in this regard on urgent basis.
Thanks
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