Fatal error: Uncaught Error: Class "Composer\Installers\BaseInstaller" not found in /home/itwerx/public_html/vendor/composer/installers/src/Composer/Installers/BitrixInstaller.php:26
Stack trace:
#0 {main}
thrown in /home/itwerx/public_html/vendor/composer/installers/src/Composer/Installers/BitrixInstaller.php on line 26