Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/mailer ^4.3 -> satisfiable by symfony/mailer[v4.3.0-BETA1, ..., 4.4.x-dev]. - symfony/mailer[v4.3.0-BETA1, ..., 4.4.x-dev] require symfony/event-dispatcher ^4.3 -> found symfony/event-dispatcher[v4.3.0-BETA1, ..., 4.4.x-dev] but these were not loaded, likely because it conflicts with another require.

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/mailer ^4.3 -> satisfiable by symfony/mailer[v4.3.0-BETA1, ..., 4.4.x-dev]. - symfony/mailer[v4.3.0-BETA1, ..., v4.4.8] require php ^7.1.3 -> your php version (8.1.30) does not satisfy that requirement. - symfony/mailer[v4.4.9, ..., 4.4.x-dev] require symfony/event-dispatcher ^4.3 -> found symfony/event-dispatcher[v4.3.0-BETA1, ..., 4.4.x-dev] but these were not loaded, likely because it conflicts with another require.