Your requirements could not be resolved to an installable set of packages. Problem 1 - oat-sa/extension-tao-item dev-25e0d88bd76374e68a7291378b04aa66e5ebe68c requires oat-sa/extension-tao-backoffice >=6.0.0 -> satisfiable by oat-sa/extension-tao-backoffice[v6.0.0, ..., v6.13.3, 9999999-dev]. - oat-sa/extension-tao-backoffice[dev-master, v6.13.3] require oat-sa/tao-core >=54.14.7 -> satisfiable by oat-sa/tao-core[v54.14.7, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.13.0, ..., v6.13.2] require oat-sa/tao-core >=54.10.0 -> satisfiable by oat-sa/tao-core[v54.10.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.12.6, ..., v6.12.9] require oat-sa/tao-core >=53.3.2 -> satisfiable by oat-sa/tao-core[v53.3.2, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.11.3, ..., v6.12.5] require oat-sa/tao-core >=50.24.6 -> satisfiable by oat-sa/tao-core[v50.24.6, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.11.0, ..., v6.11.2] require oat-sa/tao-core >=50.14.0 -> satisfiable by oat-sa/tao-core[v50.14.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.9.0, ..., v6.10.1] require oat-sa/tao-core >=48.87.0 -> satisfiable by oat-sa/tao-core[v48.87.0, v48.87.1, v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice v6.8.1 requires oat-sa/tao-core >=48.84.1 -> satisfiable by oat-sa/tao-core[v48.84.1, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.6.0, ..., v6.8.0] require oat-sa/tao-core >=48.74.0 -> satisfiable by oat-sa/tao-core[v48.74.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice v6.5.1 requires oat-sa/tao-core >=48.73.0 -> satisfiable by oat-sa/tao-core[v48.73.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice v6.5.0 requires oat-sa/tao-core >=48.69.0 -> satisfiable by oat-sa/tao-core[v48.69.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.3.0, ..., v6.4.2] require oat-sa/tao-core >=48.36.0 -> satisfiable by oat-sa/tao-core[v48.36.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice v6.2.0 requires oat-sa/tao-core >=48.23.0 -> satisfiable by oat-sa/tao-core[v48.23.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - oat-sa/extension-tao-backoffice[v6.0.0, ..., v6.1.0] require oat-sa/tao-core >=47.0.0 -> satisfiable by oat-sa/tao-core[v47.0.0, ..., v47.1.10, v48.0.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.16.0, v54.0.0, ..., v54.22.1, 9999999-dev]. - You can only install one version of a package, so only one of these can be installed: oat-sa/tao-core[dev-feat/ADF-1781/translations-feature, dev-master, dev-develop, v47.0.0, ..., v47.1.10, v48.0.0, ..., v48.88.0, v49.0.0, ..., v49.6.0, v50.5.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ...,

Process completed with exit code 2.