Auth + login not work after composer update

I have an issue with old version of Laravel 5.5 after composer update.

I can't login to dashboard anyway and didn`t get an error ,I trust there is no issues with username and password

what can I do to fix this issue

here is composer.json

{
"name": "laravel/laravel",   
"type": "project",
"require": {
    "php": ">=7.0.0",
    "fideloper/proxy": "~3.3",
    "guzzlehttp/guzzle": "^6.5",
    "intervention/image": "^2.4",
    "jrm2k6/cloudder": "0.4.*",
    "laravel/framework": "5.5.*",
    "laravel/passport": "~4.0",
    "laravel/tinker": "~1.0",
    "laravelcollective/html": "^5.4.0",
    "maatwebsite/excel": "~2.1.0",
    "paragonie/random_compat": "2.*",
    "phpseclib/phpseclib": "~2.0",
    "ultraware/roles": "^5.5"
},
"require-dev": {
    "filp/whoops": "~2.0",
    "fzaninotto/faker": "~1.4",
    "mockery/mockery": "~1.0",
    "phpunit/phpunit": "~6.0",
    "symfony/thanks": "^1.0"
},
"autoload": {
    "classmap": [
        "database/seeds",
        "database/factories"
    ],
    "psr-4": {
        "App\\": "app/"
    },
    "files":[
        "app/helper/images.php"
    ] 
},
"autoload-dev": {
    "psr-4": {
        "Tests\\": "tests/"
    }
},
"extra": {
    "laravel": {
        "dont-discover": [
        "laravel/passport"
        ]
    }
},
    

}

waiting your kindly reply thanks

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