Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires typo3/cms-backend 12.2.x-dev (exact version match), found typo3/cms-backend[dev-main, v8.7.7, ..., 8.7.x-dev, v9.0.0, ..., 9.5.x-dev, v10.0.0, ..., 10.4.x-dev, v11.0.0, ..., 11.5.x-dev, v12.0.0, ..., 12.4.x-dev, v13.0.0, v13.0.1, 13.0.x-dev, 13.1.x-dev (alias of dev-main)] but it does not match the constraint. Problem 2 - Root composer.json requires typo3/cms-frontend 12.2.x-dev (exact version match), found typo3/cms-frontend[dev-main, v8.7.7, ..., 8.7.x-dev, v9.0.0, ..., 9.5.x-dev, v10.0.0, ..., 10.4.x-dev, v11.0.0, ..., 11.5.x-dev, v12.0.0, ..., 12.4.x-dev, v13.0.0, v13.0.1, 13.0.x-dev, 13.1.x-dev (alias of dev-main)] but it does not match the constraint. Problem 3 - Root composer.json requires typo3/cms-info 12.2.x-dev (exact version match), found typo3/cms-info[dev-main, v8.7.7, ..., 8.7.x-dev, v9.0.0, ..., 9.5.x-dev, v10.0.0, ..., 10.4.x-dev, v11.0.0, ..., 11.5.x-dev, v12.0.0, ..., 12.4.x-dev, v13.0.0, v13.0.1, 13.0.x-dev, 13.1.x-dev (alias of dev-main)] but it does not match the constraint. Problem 4 - Root composer.json requires typo3/cms-seo 12.2.x-dev (exact version match), found typo3/cms-seo[dev-main, v9.3.0, ..., 9.5.x-dev, v10.0.0, ..., 10.4.x-dev, v11.0.0, ..., 11.5.x-dev, v12.0.0, ..., 12.4.x-dev, v13.0.0, v13.0.1, 13.0.x-dev, 13.1.x-dev (alias of dev-main)] but it does not match the constraint. Problem 5 - Root composer.json requires typo3/testing-framework 7.x-dev -> satisfiable by typo3/testing-framework[7.x-dev]. - typo3/testing-framework 7.x-dev requires typo3/cms-backend 11.*.*@dev || 12.*.*@dev -> found typo3/cms-backend[v11.0.0, ..., 11.5.x-dev, v12.0.0, ..., 12.4.x-dev] but it conflicts with your root composer.json require (12.2.x-dev). Problem 6 - nimut/testing-framework[dev-main, 6.0.1, ..., 6.x-dev] require typo3/cms-backend ^9.5.13 || ^10.4 || ^11.5.3 || dev-main -> found typo3/cms-backend[dev-main, v9.5.13, ..., 9.5.x-dev, v10.4.0, ..., 10.4.x-dev, v11.5.3, ..., 11.5.x-dev, 13.1.x-dev (alias of dev-main)] but it conflicts with your root composer.json require (12.2.x-dev). - nimut/testing-framework[6.0.0, ..., 6.x-dev] require php >= 7.2, < 7.5 || ~8.0.0 -> your php version (8.1.27) does not satisfy that requirement. - nimut/testing-framework 6.x-dev is an alias of nimut/testing-framework dev-main and thus requires it to be installed too. - Root composer.json requires nimut/testing-framework ^6.0 || dev-main -> satisfiable by nimut/testing-framework[dev-main, 6.0.0, 6.0.1, 6.x-dev].

Process completed with exit code 2.