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Issue Magento Installation

O

othmaqsa

Regular Pleskian
Server operating system version
Ubuntu
Plesk version and microupdate number
Last version
Hello,

I'm trying to test the Magento installation on a temporary domain. During the installation, I encountered the following error:

PHP extension
The 'mcrypt' extension was not found.

What do I need to do to resolve this?

Thanks!
 
Hello,

Thank you for your message.

I'm now encountering another error during the installation.


Code: 
The following error has occurred during the installation of application: Installation of magento at https://staging-magento.xxxxxxxxxxx.com/ failed. Non-zero exit status returned by script. Output stream: 'PHP Fatal error:  During inheritance of Countable: Uncaught Exception: Deprecated Functionality: Return type of Zend\Stdlib\PriorityQueue::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php on line 128 in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php(28): Magento\Framework\App\ErrorHandler->handler()
#1 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/composer/ClassLoader.php(412): include('...')
#2 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/composer/ClassLoader.php(301): Composer\Autoload\includeFile()
#3 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(278): Composer\Autoload\ClassLoader->loadClass()
#4 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-modulemanager/src/Listener/ModuleLoaderListener.php(63): Zend\EventManager\EventManager->attach()
#5 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(302): Zend\ModuleManager\Listener\ModuleLoaderListener->attach()
#6 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(256): Zend\EventManager\EventManager->attachAggregate()
#7 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-modulemanager/src/Listener/DefaultListenerAggregate.php(46): Zend\EventManager\EventManager->attach()
#8 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(302): Zend\ModuleManager\Listener\DefaultListenerAggregate->attach()
#9 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(256): Zend\EventManager\EventManager->attachAggregate()
#10 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-mvc/src/Service/ModuleManagerFactory.php(132): Zend\EventManager\EventManager->attach()
#11 [internal function]: Zend\Mvc\Service\ModuleManagerFactory->createService()
#12 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(939): call_user_func()
#13 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(1097): Zend\ServiceManager\ServiceManager->createServiceViaCallback()
#14 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(638): Zend\ServiceManager\ServiceManager->createFromFactory()
#15 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(598): Zend\ServiceManager\ServiceManager->doCreate()
#16 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(530): Zend\ServiceManager\ServiceManager->create()
#17 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-mvc/src/Application.php(253): Zend\ServiceManager\ServiceManager->get()
#18 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/magento/framework/Console/Cli.php(57): Zend\Mvc\Application::init()
#19 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/Magento.php(24): Magento\Framework\Console\Cli->__construct()
#20 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/MagentoInstaller.php(39): Magetno->doCommand()
#21 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/configure(43): MagentoInstaller->doSetupInstall()
#22 {main} in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php on line 28
'. Error stream: 'PHP Fatal error:  During inheritance of Countable: Uncaught Exception: Deprecated Functionality: Return type of Zend\Stdlib\PriorityQueue::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php on line 128 in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php(28): Magento\Framework\App\ErrorHandler->handler()
#1 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/composer/ClassLoader.php(412): include('...')
#2 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/composer/ClassLoader.php(301): Composer\Autoload\includeFile()
#3 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(278): Composer\Autoload\ClassLoader->loadClass()
#4 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-modulemanager/src/Listener/ModuleLoaderListener.php(63): Zend\EventManager\EventManager->attach()
#5 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(302): Zend\ModuleManager\Listener\ModuleLoaderListener->attach()
#6 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(256): Zend\EventManager\EventManager->attachAggregate()
#7 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-modulemanager/src/Listener/DefaultListenerAggregate.php(46): Zend\EventManager\EventManager->attach()
#8 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(302): Zend\ModuleManager\Listener\DefaultListenerAggregate->attach()
#9 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-eventmanager/src/EventManager.php(256): Zend\EventManager\EventManager->attachAggregate()
#10 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-mvc/src/Service/ModuleManagerFactory.php(132): Zend\EventManager\EventManager->attach()
#11 [internal function]: Zend\Mvc\Service\ModuleManagerFactory->createService()
#12 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(939): call_user_func()
#13 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(1097): Zend\ServiceManager\ServiceManager->createServiceViaCallback()
#14 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(638): Zend\ServiceManager\ServiceManager->createFromFactory()
#15 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(598): Zend\ServiceManager\ServiceManager->doCreate()
#16 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-servicemanager/src/ServiceManager.php(530): Zend\ServiceManager\ServiceManager->create()
#17 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-mvc/src/Application.php(253): Zend\ServiceManager\ServiceManager->get()
#18 /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/magento/framework/Console/Cli.php(57): Zend\Mvc\Application::init()
#19 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/Magento.php(24): Magento\Framework\Console\Cli->__construct()
#20 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/MagentoInstaller.php(39): Magetno->doCommand()
#21 /opt/psa/var/apspackages/adiptepd8n2unhu3TmmGI6.zip34a16661-e/cache/scripts/configure(43): MagentoInstaller->doSetupInstall()
#22 {main} in /var/www/vhosts/xxxxxxxxxxx.com/staging-magento.xxxxxxxxxxx.com/vendor/zendframework/zend-stdlib/src/PriorityQueue.php on line 28
'.

Do you have any idea what might be causing it?
 
Please provide additional context. What actions were performed when the error was observed?
 
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