Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^7.2 but your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires rinvex/countries ^6.0 -> satisfiable by rinvex/countries[v6.0.0, v6.1.0, v6.1.1, v6.1.2]. - rinvex/countries[v6.0.0, ..., v6.1.2] require php ^7.2.0 -> your php version (8.0.30) does not satisfy that requirement. Problem 3 - doctrine/orm[v2.5.3, ..., v2.5.5] require doctrine/common >=2.5-dev,<2.7-dev -> satisfiable by doctrine/common[v2.6.0, v2.6.1, v2.6.2, 2.6.x-dev]. - doctrine/orm v2.5.6 requires doctrine/common >=2.5-dev,<2.8-dev -> satisfiable by doctrine/common[v2.6.0, ..., 2.7.x-dev]. - doctrine/orm[v2.5.7, ..., 2.5.x-dev] require doctrine/common >=2.5-dev,<2.9-dev -> satisfiable by doctrine/common[v2.6.0, ..., 2.8.x-dev]. - doctrine/orm[2.8.2, ..., 2.17.x-dev] require doctrine/common ^3.0.3 -> found doctrine/common[3.0.3, ..., 3.5.x-dev] but it conflicts with your root composer.json require (^2.6). - doctrine/orm[v2.5.0-alpha1, ..., v2.5.2] require doctrine/common >=2.5-dev,<2.6-dev -> found doctrine/common[v2.5.0-beta1, ..., 2.5.x-dev] but it conflicts with your root composer.json require (^2.6). - doctrine/orm[v2.6.0, ..., 2.7.x-dev] require php ^7.1 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/orm[2.8.0, ..., 2.8.1] require doctrine/common ^3.0 -> found doctrine/common[3.0.0, ..., 3.5.x-dev] but it conflicts with your root composer.json require (^2.6). - doctrine/common[v2.6.0, ..., 2.6.x-dev] require php ~5.5|~7.0 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.7.0, ..., 2.7.x-dev] require php ~5.6|~7.0 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.8.0, ..., 2.8.x-dev] require php ~7.1 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires doctrine/orm ^2.5 -> satisfiable by doctrine/orm[v2.5.0-alpha1, ..., 2.17.x-dev].