Error: Framework 'Mono / .NET 3.5' not installed

Question

Recently I installed Ubuntu-Mate 16.10. Unity and Monodevelop works, but when I try to compile the javascript on Monodevelop, appears an error:

Error: Framework 'Mono / .NET 3.5' not installed. (Assembly-CSharp)

On 14.04 all works very well but not here....what is the way to fix this problem??

I searched on the internet and I can't find the answer.

Not sure, this may be related: stackoverflow.com/questions/33185770/… in the accepted answer there is a blogpost on how to install 3.5. — Felsir, Commented Oct 21, 2016 at 14:31
I tried this, not worked...now, I'm working without using compiler on Mono, only saving the script, but I like to see the errors on the program, is more confortable. — Jordi4321, Commented Oct 21, 2016 at 15:04

noone · Accepted Answer · 2017-01-15 07:56:03Z

2

Change your target Framework in MonoDevelop

In the solution explorer, go to Assembly-CSharp and click on the little cogwheel.
In the Dropdown, select Options
Then, under Build / General select whatever is installed on you machine.

Alternatively, if you want to stick with 3.5, you can install the Mono reference assemblies like this:

sudo apt install mono-reference-assemblies-3.5

answered Jan 11, 2017 at 18:11

noone

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