Can't build anything in dotnet 8. Not even template project.

relt@relt-MS-7D95:/media/relt/M2/Blendesonite/test$ dotnet build
MSBuild version 17.8.5+b5265ef37 for .NET
  Determining projects to restore...
  All projects are up-to-date for restore.
/usr/lib/dotnet/sdk/8.0.110/Roslyn/Microsoft.CSharp.Core.targets(84,5): error : Could not execute because the specified command or file was not found. [/media/relt/M2/Blendesonite/test/test.csproj]
/usr/lib/dotnet/sdk/8.0.110/Roslyn/Microsoft.CSharp.Core.targets(84,5): error : Possible reasons for this include: [/media/relt/M2/Blendesonite/test/test.csproj]
/usr/lib/dotnet/sdk/8.0.110/Roslyn/Microsoft.CSharp.Core.targets(84,5): error :   * You misspelled a built-in dotnet command. [/media/relt/M2/Blendesonite/test/test.csproj]
/usr/lib/dotnet/sdk/8.0.110/Roslyn/Microsoft.CSharp.Core.targets(84,5): error :   * You intended to execute a .NET program, but dotnet-exec does not exist. [/media/relt/M2/Blendesonite/test/test.csproj]
/usr/lib/dotnet/sdk/8.0.110/Roslyn/Microsoft.CSharp.Core.targets(84,5): error :   * You intended to run a global tool, but a dotnet-prefixed executable with this name could not be found on the PATH. [/media/relt/M2/Blendesonite/test/test.csproj]

Build FAILED.
    0 Warning(s)
    5 Error(s)