Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires sitegeist/inspectorgadget ^v3.0.0 -> satisfiable by sitegeist/inspectorgadget[v3.0.0]. - sitegeist/inspectorgadget v3.0.0 requires neos/neos ^9.0 -> found neos/neos[9.0.0, 9.0.1] but it conflicts with your root composer.json require (^8.2). Problem 2 - Root composer.json requires neos/neos ^8.2 -> satisfiable by neos/neos[8.2.0, ..., 8.3.23]. - neos/neos[8.2.0, ..., 8.2.8] require neos/fusion ~8.2.0 -> found neos/fusion[8.2.0, ..., 8.2.14] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.10 requires neos/fusion 8.2.10 -> found neos/fusion[8.2.10] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.11 requires neos/fusion 8.2.11 -> found neos/fusion[8.2.11] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.12 requires neos/fusion 8.2.12 -> found neos/fusion[8.2.12] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.13 requires neos/fusion 8.2.13 -> found neos/fusion[8.2.13] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.14 requires neos/fusion 8.2.14 -> found neos/fusion[8.2.14] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.2.9 requires neos/fusion 8.2.9 -> found neos/fusion[8.2.9] but it conflicts with your root composer.json require (^9.0 ). - neos/neos[8.3.0, ..., 8.3.6] require neos/fusion ~8.3.0 -> found neos/fusion[8.3.0, ..., 8.3.23] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.10 requires neos/fusion 8.3.10 -> found neos/fusion[8.3.10] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.11 requires neos/fusion 8.3.11 -> found neos/fusion[8.3.11] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.12 requires neos/fusion 8.3.12 -> found neos/fusion[8.3.12] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.13 requires neos/fusion 8.3.13 -> found neos/fusion[8.3.13] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.14 requires neos/fusion 8.3.14 -> found neos/fusion[8.3.14] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.15 requires neos/fusion 8.3.15 -> found neos/fusion[8.3.15] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.16 requires neos/fusion 8.3.16 -> found neos/fusion[8.3.16] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.17 requires neos/fusion 8.3.17 -> found neos/fusion[8.3.17] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.18 requires neos/fusion 8.3.18 -> found neos/fusion[8.3.18] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.19 requires neos/fusion 8.3.19 -> found neos/fusion[8.3.19] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.20 requires neos/fusion 8.3.20 -> found neos/fusion[8.3.20] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.21 requires php ^8.2 -> your php version (8.1.32) does not satisfy that requirement. - neos/neos 8.3.22 requires neos/fusion 8.3.22 -> found neos/fusion[8.3.22] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.23 requires neos/fusion 8.3.23 -> found neos/fusion[8.3.23] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.7 requires neos/fusion 8.3.7 -> found neos/fusion[8.3.7] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.8 requires neos/fusion 8.3.8 -> found neos/fusion[8.3.8] but it conflicts with your root composer.json require (^9.0 ). - neos/neos 8.3.9 requires neos/fusion 8.3.9 -> found neos/fusion[8.3.9] but it conflicts with your root composer.json require (^9.0 ).