Laravel Error message screen is still same after upgradation

I have Upgraded from Laravel 5.8 to Laravel 8 But Error Message Screen is still of laravel 5.8

You can see Firt one is laravel 5.8 Error viiew page and second one is Laravel 8 . Now i have upated to Laravel 8 so it it should display Error Like second Screenshot but it is still displaying error like First screenshot

Laravel 5.8

Laravel 8

I am talking about view design

{
    "name": "laravel/laravel",
    "type": "project",
    "description": "The Laravel Framework.",
    "keywords": [
        "framework",
        "laravel"
    ],
    "license": "MIT",
    "require": {
        "php": "^7.2",
        "awobaz/compoships": "^2.0",
        "barryvdh/laravel-dompdf": "^0.8.5",
        "beyondcode/laravel-websockets": "^1.8",
        "codeitnowin/barcode": "^3.0",
        "coldxpress/ticket": "dev-master",
        "doctrine/dbal": "2.9.3",
        "fideloper/proxy": "^4.0",
        "google/recaptcha": "^1.2",
        "hwi/oauth-bundle": "^1.1",
        "ilovepdf/ilovepdf-php": "^1.1",
        "intervention/image": "^2.5",
        "laravel/framework": "8.0.*",
        "laravel/horizon": "^5.2",
        "laravel/passport": "^10.0",
        "laravel/slack-notification-channel": "^2.2",
        "laravel/telescope": "^4.0",
        "laravel/tinker": "^2.0",
        "laravel/ui": "3.0",
        "league/flysystem-aws-s3-v3": "~1.0",
        "league/flysystem-ziparchive": "^1.0",
        "nunomaduro/collision": "^5.0",
        "php-http/guzzle6-adapter": "^2.0",
        "php-http/httplug-bundle": "^1.18",
        "php-mime-mail-parser/php-mime-mail-parser": "^6.0",
        "phpoffice/phpspreadsheet": "^1.13",
        "predis/predis": "^1.1",
        "pusher/pusher-php-server": "^4.1",
        "rap2hpoutre/laravel-log-viewer": "^1.6",
        "rguedes/pdfmerger": "^1.0",
        "setasign/fpdi-fpdf": "^2.3",
        "skagarwal/google-places-api": "^1.7",
        "smalot/pdfparser": "^0.14.0",
        "spatie/laravel-server-monitor": "^1.9",
        "spatie/pdf-to-image": "^2.0",
        "webfox/laravel-xero-oauth2": "^2.0"
    },
    "require-dev": {
        "beyondcode/laravel-dump-server": "^1.0",
        "filp/whoops": "^2.0",
        "fzaninotto/faker": "^1.4",
        "mockery/mockery": "^1.0",
       
        "phpunit/phpunit": "^8.5"
    },
    "config": {
        "optimize-autoloader": true,
        "preferred-install": "dist",
        "sort-packages": true
    },
    "extra": {
        "laravel": {
            "dont-discover": []
        }
    },
    "autoload": {
        "files": [
            "app/Helpers/Histories_helper.php",
            "app/Helpers/Comments_helper.php",
            "app/Helpers/Date_helper.php",
            "app/Helpers/Filesystem_helper.php",
            "app/Helpers/Pdf/Pdf_helper.php",
            "app/Helpers/Parsers_helper.php",
            "app/Helpers/Settings_helper.php",
            "app/Helpers/Select_Live_Search_Helper.php",
            "app/Helpers/GetRateZone_Helper.php",
            "app/Helpers/String_Helper.php",
            "app/Helpers/Error_Helper.php",
            "app/Helpers/Organisation_Settings_Helper.php",
            "app/Helpers/ChargeError_Helper.php",
            "app/Helpers/Email_Helper.php",
            "app/Helpers/Option_Helper.php",
            "app/Helpers/Status_Helper.php",
            "app/Helpers/CustomerSetting_Helper.php",
            "app/Helpers/GetDeliveryRun_helper.php",
            "app/Helpers/Consignment_Helper.php"


        ],
        "psr-4": {
            "App\\": "app/"
        },
        "classmap": [
            "database/seeds",
            "database/factories"
        ]
    },
    "autoload-dev": {
        "psr-4": {
            "Tests\\": "tests/",
           "Coldxpress\\Ticket\\": "package/ticket/src"

        }
    },
    "minimum-stability": "dev",
    "prefer-stable": true,
    "scripts": {
        "post-autoload-dump": [
            "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
            "@php artisan package:discover --ansi"
        ],
        "post-root-package-install": [
            "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
        ],
        "post-create-project-cmd": [
            "@php artisan key:generate --ansi"
        ]
    }
}

via Chebli Mohamed