Can't start Omnisharp because of mono version

Question

Whenever I start up VS Code on my Mac (Yosemite), I get the following error in VS Code

Error: Cannot start Omnisharp because Mono version >=3.10.0 is required

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Answer 1

Ok, I figured it out. I had mono 4.01 installed but it wasn't linked. I did the brew update and unlink, but when I tried to install it, it says it was installed but not linked. I ran this command to link it

brew link --overwrite mono