Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires drush/drush ^11 -> satisfiable by drush/drush[11.0.0, ..., 11.6.0]. - drush/drush[11.0.0, ..., 11.0.5] require psr/log ~1.0 -> found psr/log[1.0.0, ..., 1.1.4] but these were not loaded, likely because it conflicts with another require. - drush/drush[11.0.6, ..., 11.6.0] require symfony/event-dispatcher ^4.0 || ^5.0 || ^6.0 -> found symfony/event-dispatcher[v4.0.0, ..., v4.4.44, v5.0.0, ..., v5.4.45, v6.0.0, ..., v6.4.13] but these were not loaded, likely because it conflicts with another require.

Process completed with exit code 2.