i need help to solve this error in Laravel project when run project using commmand this error show me > @php artisan package:discover PHP Fatal error:  During inheritance of ArrayAccess: Uncaught ErrorException: Return type of IlluminateSupportCollection::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 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateSupportCollection.php:1693 Stack trace: #0 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateSupportCollection.php(19): IlluminateFoundationBootstrapHandleExceptions->handleError(8192, ‘Return type of …’, ‘C:\xampp\htdocs…’, 1693) #1 C:xampphtdocsbustracking_multivendorcomposerClassLoader.php(571): include(‘C:\xampp\htdocs…’) #2 C:xampphtdocsbustracking_multivendorcomposerClassLoader.php(428): ComposerAutoloadincludeFile(‘C:\xampp\htdocs…’) #3 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateSupporthelpers.php(423): ComposerAutoloadClassLoader->loadClass(‘Illuminate\Supp…’) #4 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationPackageManifest.php(121): collect(Array) #5 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationPackageManifest.php(97): IlluminateFoundationPackageManifest->build() #6 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationPackageManifest.php(80): IlluminateFoundationPackageManifest->getManifest() #7 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationBootstrapRegisterFacades.php(26): IlluminateFoundationPackageManifest->aliases() #8 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationApplication.php(213): IlluminateFoundationBootstrapRegisterFacades->bootstrap(Object(IlluminateFoundationApplication)) #9 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationConsoleKernel.php(296): IlluminateFoundationApplication->bootstrapWith(Array) #10 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationConsoleKernel.php(119): IlluminateFoundationConsoleKernel->bootstrap() #11 C:xampphtdocsbustracking_multiartisan(35): IlluminateFoundationConsoleKernel->handle(Object(SymfonyComponentConsoleInputArgvInput), Object(SymfonyComponentConsoleOutputConsoleOutput)) #12 {main} in C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateSupportCollection.php on line 19 PHP Fatal error:  Uncaught ErrorException: Method ReflectionParameter::getClass() is deprecated in C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php:811 Stack trace: #0 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(811): IlluminateFoundationBootstrapHandleExceptions->handleError(8192, ‘Method Reflecti…’, ‘C:\xampp\htdocs…’, 811) #1 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(780): IlluminateContainerContainer->resolveDependencies(Array) #2 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(631): IlluminateContainerContainer->build(‘App\Exceptions\…’) #3 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(586): IlluminateContainerContainer->resolve(‘App\Exceptions\…’, Array) #4 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationApplication.php(732): IlluminateContainerContainer->make(‘App\Exceptions\…’, Array) #5 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(256): IlluminateFoundationApplication->make(‘App\Exceptions\…’, Array) #6 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(749): IlluminateContainerContainer->IlluminateContainer{closure}(Object(IlluminateFoundationApplication), Array) #7 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(631): IlluminateContainerContainer->build(Object(Closure)) #8 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateContainerContainer.php(586): IlluminateContainerContainer->resolve(‘Illuminate\Cont…’, Array) #9 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationApplication.php(732): IlluminateContainerContainer->make(‘Illuminate\Cont…’, Array) #10 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationBootstrapHandleExceptions.php(159): IlluminateFoundationApplication->make(‘Illuminate\Cont…’) #11 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationBootstrapHandleExceptions.php(101): IlluminateFoundationBootstrapHandleExceptions->getExceptionHandler() #12 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationBootstrapHandleExceptions.php(87): IlluminateFoundationBootstrapHandleExceptions->renderForConsole(Object(ErrorException)) #13 C:xampphtdocsbustracking_multivendorlaravelframeworksrcIlluminateFoundationBootstrapHandleExceptions.php(123): IlluminateFoundationBootstrapHandleExceptions->handleException(Object(ErrorException)) #14 [internal function]: IlluminateFoundationBootstrapHandleExceptions->handleShutdown() #15 {main}

The error you are encountering in your Laravel project is related to the type of return value in the `offsetExists` method of the `Collection` class.

The error message states that the return type of the `offsetExists` method in the `Collection` class is not compatible with the return type defined in the `ArrayAccess` interface. The `offsetExists` method should either have a return type of `bool` or use the `#[ReturnTypeWillChange]` attribute to temporarily suppress the notice.

The error can be traced back to the `Collection.php` file in the Laravel framework’s vendor directory. It appears that the `offsetExists` method in this file is causing the issue.

In addition to the `offsetExists` error, there is also a deprecated method (`getClass`) error in the `Container.php` file. This error is related to the usage of the `ReflectionParameter::getClass` method.

To resolve these errors, you can try the following steps:

1. Update your Laravel version: Make sure that you are using the latest version of Laravel. Some newer versions may have fixed this issue.

2. Check for package compatibility: Verify that all the packages and dependencies in your project are compatible with the version of Laravel you are using. Incompatible packages can cause various issues, including this error.

3. Update your Composer dependencies: Run the `composer update` command in your project’s root directory to update all your Composer dependencies. This command will ensure that you have the latest versions of the packages installed.

4. Clear the Laravel cache: Run the `php artisan cache:clear` command to clear any cached data in Laravel. This step may help resolve any issues caused by cached files.

5. Check for custom code modifications: If you have made any modifications to the core Laravel files or overridden any classes, make sure that your changes are compatible with the Laravel version you are using. Sometimes, custom modifications can introduce compatibility issues.

6. Consult the Laravel documentation and community: If the above steps do not resolve the issue, consult the Laravel documentation, forums, or community for any known solutions or similar issues that others have faced. The Laravel community is very active and can provide valuable insights into resolving such errors.

By following these steps, you should be able to resolve the error and run your Laravel project without any issues.