Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires prestashop/php-dev-tools ^5.0 -> satisfiable by prestashop/php-dev-tools[v5]. - prestashop/php-dev-tools v5 requires php >=7.2.5 -> your php version (7.1.33) does not satisfy that requirement. Problem 2 - Root composer.json requires phpstan/phpstan ^2.1 -> satisfiable by phpstan/phpstan[2.1.0, 2.1.1]. - phpstan/phpstan[2.1.0, ..., 2.1.1] require php ^7.4|^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 3 - Root composer.json requires prestashop/header-stamp ^2.3 -> satisfiable by prestashop/header-stamp[v2.3]. - prestashop/header-stamp v2.3 requires php ^8.0 || ^7.2 -> your php version (7.1.33) does not satisfy that requirement. Problem 4 - Root composer.json requires prestashop/autoindex ^2.1 -> satisfiable by prestashop/autoindex[v2.1.0]. - prestashop/autoindex v2.1.0 requires php ^8.0 || ^7.2 -> your php version (7.1.33) does not satisfy that requirement.

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