Error Installing/Update toastr in Laravel 11

[makuguren]

I am using Laravel 11 and I'm currently faced this issue when Installing toastr.

Here's the Error. Could fix the error as soon as Possible.

Symfony\Component\ErrorHandler\Error\FatalError

Declaration of Flasher\Laravel\Command\InstallCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int

at vendor\php-flasher\flasher-laravel\Command\InstallCommand.php:35
PHP Fatal error: Declaration of Flasher\Laravel\Command\InstallCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int in C:\Users\Makuguren\Documents\CAPSTONE PROJECT\PiLock-Admin-Laravel-10-2\vendor\php-flasher\flasher-laravel\Command\InstallCommand.php on line 35
31▕
32▕ /**
33▕ * @return int
34▕ */
➜ 35▕ protected function execute(InputInterface $input, OutputInterface $output)
36▕ {
37▕ $output->writeln('');
38▕ $output->writeln('
39▕ ██████╗ ██╗ ██╗██████╗ ███████╗██╗ █████╗ ███████╗██╗ ██╗███████╗██████╗

Whoops\Exception\ErrorException

Declaration of Flasher\Laravel\Command\InstallCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int

at vendor\php-flasher\flasher-laravel\Command\InstallCommand.php:35
31▕
32▕ /**
33▕ * @return int
34▕ */
➜ 35▕ protected function execute(InputInterface $input, OutputInterface $output)
36▕ {
37▕ $output->writeln('');
38▕ $output->writeln('
39▕ ██████╗ ██╗ ██╗██████╗ ███████╗██╗ █████╗ ███████╗██╗ ██╗███████╗██████╗

1 vendor\filp\whoops\src\Whoops\Run.php:510
Whoops\Run::handleError("Declaration of Flasher\Laravel\Command\InstallCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int", "C:\Users\Makuguren\Documents\CAPSTONE PROJECT\PiLock-Admin-Laravel-10-2\vendor\php-flasher\flasher-laravel\Command\InstallCommand.php")

2 [internal]:0
Whoops\Run::handleShutdown()

Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 255

[yoeunes]

Hello, sorry for this error, can you please upgrade to v2.3.5 and check if this solve the issue ?