Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires laravel/framework ^8.0 -> satisfiable by laravel/framework[v8.0.0, ..., 8.x-dev]. - Root composer.json requires nova-kit/nova-devtool ^1.0 -> satisfiable by nova-kit/nova-devtool[v1.0.0, ..., 1.x-dev]. - Root composer.json requires whitecube/nova-flexible-content ^1.1 -> satisfiable by whitecube/nova-flexible-content[v1.1.0, v1.1.1]. - nova-kit/nova-packages-tool v1.10.0 requires laravel/nova >=4.25.0 <4.26.0 -> satisfiable by laravel/nova[4.25.0, 4.25.1]. - nova-kit/nova-packages-tool v1.11.0 requires laravel/nova >=4.26.0 <4.27.0 -> satisfiable by laravel/nova[4.26.0, ..., 4.26.5]. - nova-kit/nova-packages-tool v1.11.1 requires laravel/nova >=4.26.4 <4.27.0 -> satisfiable by laravel/nova[4.26.4, 4.26.5]. - nova-kit/nova-packages-tool v1.11.2 requires laravel/nova >=4.26.5 <4.27.0 -> satisfiable by laravel/nova[4.26.5]. - nova-kit/nova-packages-tool[v1.12.0, ..., v1.13.3] require laravel/nova >=4.27.0 <4.28.0 -> satisfiable by laravel/nova[4.27.0, ..., 4.27.14]. - nova-kit/nova-packages-tool v1.14.0 requires laravel/nova >=4.28.0 <4.29.0 -> satisfiable by laravel/nova[4.28.0, 4.28.1]. - nova-kit/nova-packages-tool v1.14.1 requires laravel/nova >=4.28.0 <4.30.0 -> satisfiable by laravel/nova[4.28.0, ..., 4.29.8]. - nova-kit/nova-packages-tool v1.14.2 requires laravel/nova >=4.28.0 <4.32.0 -> satisfiable by laravel/nova[4.28.0, ..., 4.31.3]. - nova-kit/nova-packages-tool[v1.14.3, ..., v1.14.4] require laravel/nova >=4.28.0 <4.33.0 -> satisfiable by laravel/nova[4.28.0, ..., 4.32.16]. - nova-kit/nova-packages-tool v1.14.5 requires laravel/nova >=4.28.6 <4.33.0 -> satisfiable by laravel/nova[4.29.0, ..., 4.32.16]. - nova-kit/nova-packages-tool v1.14.6 requires laravel/nova >=4.32.12 <4.33.0 -> satisfiable by laravel/nova[4.32.12, ..., 4.32.16]. - nova-kit/nova-packages-tool v1.14.7 requires laravel/nova >=4.32.15 <4.33.0 -> satisfiable by laravel/nova[4.32.15, 4.32.16]. - nova-kit/nova-packages-tool v1.15.0 requires laravel/nova >=4.33.0 <4.34.0 -> satisfiable by laravel/nova[4.33.0, 4.33.1, 4.33.2, 4.33.3]. - nova-kit/nova-packages-tool v1.16.0 requires laravel/nova >=4.34.0 <4.35.0 -> satisfiable by laravel/nova[4.34.0, 4.34.1, 4.34.2, 4.34.3]. - nova-kit/nova-packages-tool v1.16.1 requires laravel/nova >=4.34.3 <4.35.0 -> satisfiable by laravel/nova[4.34.3]. - nova-kit/nova-packages-tool[v1.17.0, ..., v1.17.1] require laravel/nova >=4.35.0 <4.36.0 -> satisfiable by laravel/nova[4.35.0, 4.35.1, 4.35.2, 4.35.3]. - nova-kit/nova-packages-tool v1.17.2 requires laravel/nova >=4.35.2 <4.36.0 -> satisfiable by laravel/nova[4.35.2, 4.35.3]. - nova-kit/nova-packages-tool[v1.17.3, ..., 1.x-dev] require laravel/nova >=4.35.3 <4.36.0 -> satisfiable by laravel/nova[4.35.3]. - nova-kit/nova-packages-tool[v1.3.1, ..., v1.3.3] require laravel/nova >=4.13.0 <4.14.0 -> satisfiable by laravel/nova[4.13.0]. - nova-kit/nova-packages-tool v1.3.4 requires laravel/nova >=4.13.0 <4.15.0 -> satisfiable by laravel/nova[4.13.0, ..., 4.14.3]. - nova-kit/nova-packages-tool v1.4.0 requires laravel/nova >=4.15.0 <4.16.0 -> satisfiable by laravel/nova[4.15.0, 4.15.1, 4.15.2]. - nova-kit/nova-packages-tool[v1.5.0, ..., v1.5.1] require laravel/nova >=4.16.0 <4.17.0 -> satisfiable by laravel/nova[4.16.0, 4.16.1]. - nova-kit/nova-packages-tool v1.5.2 requires laravel/nova >=4.16.0 <4.18.0 -> satisfiable by laravel/nova[4.16.0, 4.16.1, 4.17.0, 4.17.1]. - nova-kit/nova-packages-tool[v1.5.3, ..., v1.5.4] require laravel/nova >=4.16.0 <4.19.0 -> satisfiable by laravel/nova[4.16.0, ..., 4.18.2]. - nova-kit/nova-packages-tool[v1.6.0, ..., v1.6.2] require laravel/nova >=4.19.0 <4.20.0 -> satisfiable by laravel/nova[4.19.0, ..., 4.19.6]. - nova-kit/nova-packages-tool v1.6.3 requires laravel/nova >=4.19.0 <4.21.0 -> satisfiable by laravel/nova[4.19.0, ..., 4.20.2]. - nova-kit/nova-packages-tool v1.6.4 requires laravel/nova >=4.19.0