1>------ Build started: Project: NclearOS, Configuration: Debug|AnyCPU ------
1>C:\Program Files\dotnet\sdk\7.0.201\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.EolTargetFrameworks.targets(28,5): warning NETSDK1138: The target framework 'net5.0' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the support policy.
1>C:\Program Files\dotnet\sdk\7.0.201\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets(266,5): error NETSDK1004: Assets file 'C:\Users\Admin\Downloads\CO---OS DEV\NclearOS\obj\project.assets.json' not found. Run a NuGet package restore to generate this file.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
Build failed.
help please