Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires ibexa/rector ~5.0.x-dev -> satisfiable by ibexa/rector[5.0.x-dev (alias of dev-main)]. - ibexa/rector dev-main requires rector/rector ^2.0 -> satisfiable by rector/rector[2.0.0, ..., 2.0.9]. - rector/rector[2.0.0, ..., 2.0.3] require phpstan/phpstan ^2.0.1 -> found phpstan/phpstan[2.0.1, ..., 2.1.6] but it conflicts with your root composer.json require (^1.2). - rector/rector 2.0.4 requires phpstan/phpstan ^2.0.4 -> found phpstan/phpstan[2.0.4, ..., 2.1.6] but it conflicts with your root composer.json require (^1.2). - rector/rector 2.0.5 requires phpstan/phpstan ^2.1.0 -> found phpstan/phpstan[2.1.0, ..., 2.1.6] but it conflicts with your root composer.json require (^1.2). - rector/rector[2.0.6, ..., 2.0.7] require phpstan/phpstan ^2.1.1 -> found phpstan/phpstan[2.1.1, ..., 2.1.6] but it conflicts with your root composer.json require (^1.2). - rector/rector 2.0.8 requires phpstan/phpstan ^2.1.2 -> found phpstan/phpstan[2.1.2, ..., 2.1.6] but it conflicts with your root composer.json require (^1.2). - rector/rector 2.0.9 requires phpstan/phpstan ^2.1.3 -> found phpstan/phpstan[2.1.3, 2.1.4, 2.1.5, 2.1.6] but it conflicts with your root composer.json require (^1.2). - ibexa/rector 5.0.x-dev is an alias of ibexa/rector dev-main and thus requires it to be installed too.