Your requirements could not be resolved to an installable set of packages. Problem 1 - cakephp/utility[5.0.0-beta1, 5.0.0-beta2, 5.0.0-RC1, 5.0.0-RC2, 5.0.0, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.1.0-RC1, 5.1.0-RC2, 5.x-dev] require php >=8.1 -> your php version (8.0.25) does not satisfy that requirement. - wyrihaximus/react-child-process-messenger dev-20eb2ae9d25cadf99e2a6fb151b274740729be85 requires cakephp/utility ^5.0.11 -> satisfiable by cakephp/utility[5.0.11, 5.1.0-RC1, 5.1.0-RC2, 5.x-dev]. - Root composer.json requires wyrihaximus/react-child-process-messenger dev-20eb2ae9d25cadf99e2a6fb151b274740729be85 -> satisfiable by wyrihaximus/react-child-process-messenger[dev-20eb2ae9d25cadf99e2a6fb151b274740729be85].

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires wyrihaximus/react-child-process-messenger dev-137/merge, found wyrihaximus/react-child-process-messenger[dev-20eb2ae9d25cadf99e2a6fb151b274740729be85] but it does not match the constraint.

Process completed with exit code 2.