Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ~8.2.0 || ~8.3.0 || ~8.4.0 but your php version (8.1.31) does not satisfy that requirement. Problem 2 - Root composer.json requires patchlevel/event-sourcing ^3.8.0 -> satisfiable by patchlevel/event-sourcing[3.8.0]. - patchlevel/event-sourcing 3.8.0 requires php ~8.2.0 || ~8.3.0 -> your php version (8.1.31) does not satisfy that requirement. Problem 3 - Root composer.json requires patchlevel/event-sourcing-bundle ^3.7.0 -> satisfiable by patchlevel/event-sourcing-bundle[3.7.0]. - patchlevel/event-sourcing-bundle 3.7.0 requires php ~8.2.0 || ~8.3.0 -> your php version (8.1.31) does not satisfy that requirement.