Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php 8.2.* but your php version (8.1.23) does not satisfy that requirement. Problem 2 - Root composer.json requires babdev/websocket-server 0.1.* -> satisfiable by babdev/websocket-server[0.1.x-dev]. - babdev/websocket-server 0.1.x-dev requires php 8.2.* -> your php version (8.1.23) does not satisfy that requirement.