Deprecated Functionality: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in F:\xampp\htdocs\magento\vendor\magento\framework\Interception\PluginListGenerator.php on line 159

3 Answers 3


Magento 2.4.1 required php 7.4. it will not work with PHP 8



For this you have to downgrade your php version. Please see below command (Linux).

sudo a2dismod php7.2 && sudo a2dismod php7.3 && sudo a2dismod php8.0 && sudo a2enmod php7.4 && sudo update-alternatives --set php /usr/bin/php7.4

sudo service apache2 restart

now try again.


For the installation of Magento 2.4.1 please follow this specified Requirement for your Development environment... Magento Specified Requirement For 2.4.1

Thank You!!!

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