Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires shopware/core ^6.7, found shopware/core[dev-trunk, dev-6.0+ea, v6.0.0+ea2, ..., 6.6.x-dev (alias of dev-trunk)] but it does not match the constraint. Problem 2 - Root composer.json requires shopware/administration * -> satisfiable by shopware/administration[v6.0.0+ea2, ..., v6.6.8.1]. - shopware/administration[v6.0.0+ea2, ..., 6.5.0.0-rc2] require shopware/core * -> found shopware/core[v6.0.0+ea2, ..., v6.6.8.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.0.0 requires shopware/core v6.4.0.0 -> found shopware/core[6.4.0.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.1.0 requires shopware/core v6.4.1.0 -> found shopware/core[6.4.1.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.1.1 requires shopware/core v6.4.1.1 -> found shopware/core[6.4.1.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.1.2 requires shopware/core v6.4.1.2 -> found shopware/core[6.4.1.2] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.10.0 requires shopware/core v6.4.10.0 -> found shopware/core[6.4.10.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.10.1 requires shopware/core v6.4.10.1 -> found shopware/core[6.4.10.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.11.0 requires shopware/core v6.4.11.0 -> found shopware/core[6.4.11.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.11.1 requires shopware/core v6.4.11.1 -> found shopware/core[6.4.11.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.12.0 requires shopware/core v6.4.12.0 -> found shopware/core[6.4.12.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.13.0 requires shopware/core v6.4.13.0 -> found shopware/core[6.4.13.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.14.0 requires shopware/core v6.4.14.0 -> found shopware/core[6.4.14.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.15.0 requires shopware/core v6.4.15.0 -> found shopware/core[6.4.15.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.15.1 requires shopware/core v6.4.15.1 -> found shopware/core[6.4.15.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.15.2 requires shopware/core v6.4.15.2 -> found shopware/core[6.4.15.2] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.16.0 requires shopware/core v6.4.16.0 -> found shopware/core[6.4.16.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.16.1 requires shopware/core v6.4.16.1 -> found shopware/core[6.4.16.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.17.0 requires shopware/core v6.4.17.0 -> found shopware/core[6.4.17.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.17.1 requires shopware/core v6.4.17.1 -> found shopware/core[6.4.17.1] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.17.2 requires shopware/core v6.4.17.2 -> found shopware/core[6.4.17.2] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.18.0 requires shopware/core v6.4.18.0 -> found shopware/core[6.4.18.0] but it conflicts with your root composer.json require (^6.7). - shopware/administration 6.4.18.1 requires shopware/core v6.4.18.1 -> found shopware/core[6.4.18.1] but it conflicts with your root composer.json require