PHP Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key)

If you are facing this issue:

Error: – .

PHP Fatal error:  During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Support/Collection.php:1693
Stack trace:
#0 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Support/Collection.php(19): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError()
#1 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/composer/ClassLoader.php(480): include('...')
#2 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/composer/ClassLoader.php(346): Composer\Autoload\includeFile()
#3 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Support/helpers.php(423): Composer\Autoload\ClassLoader->loadClass()
#4 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/PackageManifest.php(121): collect()
#5 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/PackageManifest.php(97): Illuminate\Foundation\PackageManifest->build()
#6 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/PackageManifest.php(80): Illuminate\Foundation\PackageManifest->getManifest()
#7 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases()
#8 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(213): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap()
#9 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(296): Illuminate\Foundation\Application->bootstrapWith()
#10 /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(119): Illuminate\Foundation\Console\Kernel->bootstrap()
#11 /opt/lampp/htdocs/devopsschool/ds-company-ms/artisan(35): Illuminate\Foundation\Console\Kernel->handle()
#12 {main} in /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Support/Collection.php on line 19
PHP Fatal error:  Uncaught ErrorException: Method ReflectionParameter::getClass() is deprecated in /opt/lampp/htdocs/devopsschool/ds-company-ms/vendor/laravel/framework/src/Illuminate/Container/Container.php:811
Stack trace:

Solution:-

Step 1:- Go to your project it doesn’t matter in which server you use local/linux.

Step 2:- Upload your vendor file in you project in zip for linux server.

Step 3:- Now Unzip your vendor file in your project using below command.

unzip vendor.zip

Step 4:- now you have to clear cache using below code.

php artisan c:cache

All Issue is Solved.