Brand new Monodevelop installation can't restore packages

Question

I'm trying to use MonoDevelop in order to work with .NET Core. In a brand new Linux Mint 20.1 machine, I installed MonoDevelop 7.8.4, and opened a project that I'm working on, and the IDE complained imediatelly:

Getting restore information for solution /home/REDACTED/project.sln
ApplicationName='/usr/bin/mono64', CommandLine='"/usr/lib/mono/msbuild/15.0/bin/MSBuild.dll" "/tmp/NuGetScratch/3r24uwj4.84i.nugetinputs.targets" /t:GenerateRestoreGraphFile /nologo /nr:false /v:q /p:RestoreBuildInParallel="False" /p:RestoreUseSkipNonexistentTargets="False"', CurrentDirectory='/home/REDACTED', Native error= Cannot find the specified file

The file /usr/bin/mono64 does not exist. Anyone knows how I can fix this?

UPDATE

When I try tobuild the project, it fails with the followiing error:

Error: NuGet packages need to be restored before building. NuGet MSBuild targets are missing and are needed for building. The NuGet MSBuild targets are generated when the NuGet packages are restored. (My.App)

This seems to be connected with the previous error message.

Answer 1

I have just installed Ubuntu and for anyone interested I found a solution.

In /usr/bin, make a mono64 symlink to mono-sgen. mono is already a symlink to that.

I will investigate the other tools suggested.