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I'm trying out the newly released Visual Studio Code preview on Mac OS X, when trying to start debugging or attaching to my node.js app I get the error "Cannot start OpenDebug because Mono (or a Mono version >= 3.10.0) is required".

I have installed the Mono MDK from http://www.mono-project.com/download/.

What do I need to do to get debugging working in VSCode preview?

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3 Answers 3

Reset to default
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I did a brew install mono and the problem went away the next time I hit the run button.

Unfortunately, I have no idea why the MDK installer wouldn't work for you. This was an optimal solution for me since I use homebrew for most other development tools already.

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Thanks! I Tried getting mono from Macports but it was a lower version than the required one.
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My guess is that your mono installation did not add mono to the PATH, thus visual studio code: preview could not find it. brew install mono should fix the issue

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What should the PATH read? I have tried to do the brew install mono but got Error: SHA1 mismatch every time I tried to install it. So as I have installed the mono 4.0.0 as written above, I just want to correct the OSX PATH, to...?
A colleague of mine got the SHA1 mismatch and needed to do a brew upgrade before it worked.
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I Installed mono on my ubuntu and it worked.

sudo apt-get install mono-complete
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