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
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
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