Your requirements could not be resolved to an installable set of packages. Problem 1 - oat-sa/tao-core[v48.9.0, ..., v48.88.0, v49.0.0, ..., v49.7.0, v50.0.0, ..., v50.24.4] require php ^7.1 -> your php version (8.0.30) does not satisfy that requirement. - oat-sa/extension-tao-dac-simple dev-29c62a658b7998cdb8b074549fe4cdb737ac710f requires oat-sa/extension-tao-item >=11.3 -> satisfiable by oat-sa/extension-tao-item[v11.3.0, ..., v11.34.1, v12.0.0, ..., v12.1.1, 9999999-dev]. - oat-sa/extension-tao-item[dev-master, v12.0.0, ..., v12.1.1] require oat-sa/tao-core >=53.0.0 -> satisfiable by oat-sa/tao-core[v53.0.0, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.33.0, ..., v11.34.1] require oat-sa/tao-core >=52.1 -> satisfiable by oat-sa/tao-core[v52.1.0, ..., v52.3.0, v53.0.0, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.32.0, ..., v11.32.3] require oat-sa/tao-core >=50.26.0 -> satisfiable by oat-sa/tao-core[v50.26.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item v11.31.4 requires 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.30.0, ..., v11.31.3] 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item v11.29.1 requires oat-sa/tao-core >=50.12.0 -> satisfiable by oat-sa/tao-core[v50.12.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item v11.29.0 requires oat-sa/tao-core >=50.11.0 -> satisfiable by oat-sa/tao-core[v50.11.0, ..., v50.33.0, v51.0.0, ..., v51.11.4, v52.0.0, ..., v52.3.0, v53.0.0, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.19.2, ..., v11.28.1] require oat-sa/tao-core >=48.60.0 -> satisfiable by oat-sa/tao-core[v48.60.0, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.16.0, ..., v11.19.1] require oat-sa/tao-core >=48.45.0 -> satisfiable by oat-sa/tao-core[v48.45.0, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.13.4, ..., v11.15.2] require oat-sa/tao-core >=48.31.2 -> satisfiable by oat-sa/tao-core[v48.31.2, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.13.0, ..., v11.13.3] require oat-sa/tao-core >=48.27.0 -> satisfiable by oat-sa/tao-core[v48.27.0, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.11.1, ..., v11.12.0] require 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.8.0, ..., v11.11.0] require oat-sa/tao-core >=48.19.2 -> satisfiable by oat-sa/tao-core[v48.19.2, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.10.0.1, ..., v11.10.0.3] require oat-sa/tao-core >=48.20.2 -> satisfiable by oat-sa/tao-core[v48.20.2, ..., 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, ..., v53.9.0, 9999999-dev]. - oat-sa/extension-tao-item[v11.5.0, ..., v11.7.1] require oat-sa/tao-core >=48.14.5 -> satisfiable by oat-sa/tao-core[v48.14.5, ..., v48.88.0, v49.0.0,