Your requirements could not be resolved to an installable set of packages. Problem 1 - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - 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 (v6.5.2.0). - shopware/administration 6.4.19.0 requires shopware/core v6.4.19.0 -> found shopware/core[6.4.19.0] but it conflicts with your root composer.json require (v6.5.2.0). - shopware/administration 6.4.20.0 requires shopware/core v6.4.20.0 -> found shopware/core[6.4.20.0] but it conflicts with your root composer.json require (v6.5.2.0). - shopware/administration 6.4.20.1 requires shopware/core v6.4.20.1 -> found shopware/core[6.4.20.1] but it conflicts with your root composer.json require (v6.5.2.0). - shopware/administration 6.4.20.2 requires shopware/core v6.4.20.2 -> found shopware/core[6.4.20.2] but it conflicts with your root composer.json require (v6.5.2.0). - Root composer.json requires shopware/administration ~v6.4.15 -> satisfiable by shopware/administration[6.4.15.0, ..., 6.4.20.2].

Process completed with exit code 2.