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  • May 05 06:40
    nojaf commented #1534
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  • Apr 30 19:11

    github-actions[bot] on 5.5.4


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  • Apr 30 16:26
    isaacabraham opened #1533
Anyone have any ideas concerning VSCode Ionide? I can't add dependencies with Paket, and I see thie message saying Project Parsiing Failed
Here's the dump
MSBuild failed with exitCode 1 Working Directory: '/Users/trevordilley/bloop/Test/Test' Exe Path: 'dotnet' Args: 'msbuild /Users/trevordilley/bloop/Test/Test/Test.fsproj /p:SkipCompilerExecution=true /p:ProvideCommandLineArgs=true /p:CopyBuildOutputToOutputDirectory=false /p:UseCommonOutputDirectory=true /t:_Inspect_FscArgs /p:_Inspect_FscArgs_OutFile=/var/folders/zv/5p94tkzd33l61c0sptgy__100000gn/T/tmp73493538.tmp.FscArgs.txt /p:DesignTimeBuild=true /t:_Inspect_GetResolvedProjectReferences /p:_Inspect_GetResolvedProjectReferences_OutFile=/var/folders/zv/5p94tkzd33l61c0sptgy__100000gn/T/tmp73493538.tmp.GetResolvedProjectReferences.txt /t:_Inspect_GetProperties /p:_Inspect_GetProperties_OutFile=/var/folders/zv/5p94tkzd33l61c0sptgy__100000gn/T/tmp36280a64.tmp.GetProperties.txt /nologo /verbosity:quiet' Log: writing helper target file in '/Users/trevordilley/bloop/Test/Test/obj/Test.fsproj.proj-info.targets' /usr/local/share/dotnet/sdk/2.1.301/Microsoft.Common.CurrentVersion.targets(1179,5): error MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.6.1" were not found. To resolve this, install the SDK or Targeting Pack for this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in place of reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend. [/Users/trevordilley/bloop/Test/Test/Test.fsproj]
Here's a vid of me creating a new project in a fresh directory
And one of my fsprog and paket stuff:
Packet Init - shouldn't this download packet and initialize everything? I am getting: Neither Paket nor its bootstrapper were found. It is suggested that you download the Paket bootstrapper and save it as .paket/paket.exe
do I have to download paket manually?
Jason Boyd
I'm having the same issue as @smibe. Google search is not returning much.
Jason Boyd
Running paket init from the command line in the directory worked... it just doesn't work from vscode. Could it have something to do with me installing Paket via Chocolatey?
Mikhail Smal
Hi guys. I get this message on master branch when running the project
i have MSBuild tools 12.0 installed
Gien Verschatse
Anyone every seen the error message "Failed to start language services. Please check if Microsoft Build Tools 2013 are installed" when trying to Launch the extension? (windows machine, trying to test my branch to make sure I didn't break anything)
Yuriy Habarov
Guys, since yesterday started to get a lot of:
Cannot execute tooltip
Cannot execute lint
and so on
in [Extension Host] [IONIDE-FSAC]: file:///C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:272
Happening on two machines, one with latest .netcore, one without.
Intellisense stops working completely
Is anyone else facing this please?
Looks like caused by the latest update of the plugin
Yuriy Habarov
Please ignore issues above.
Found an error in the build sequence
Ataias Pereira Reis
Hi, people! I create a SAFE template (https://safe-stack.github.io/docs/quickstart/) and I am able to run the project with fake build --target run. However, when I open the file Client.fs with Visual Studio Code (even with Visual Studio Community for Mac as well), there are several The namespace or module is node defined. I am MacOS HighSierra. Does anyone know a solution for that?
Ataias Pereira Reis
It seems like I had two plugins enabled by mistake: ionide and also the F# language server. After uninstalling the F# language server, things started to work without having to add extra modules.
Fergus Meiklejohn
@ataias I'm having the same issue. I don't have F# Language Server installed though. Symptom is that Ionide claims that "The namespace or module 'Elmish' is not defined." and so on for Fable, Fulma etc. Red error lines. But it builds and runs as normal.
If (eg) I comment out open Elmish it won't compile and obviously if I delete the comment it builds again as expected. So Ionide is not seeing the packages..
And VS Mac is giving me the same Error: the namespace or module 'Elmish' is not defined
Fergus Meiklejohn
These errors are on an unaltered dotnet Fulma template project, which has built successfully and is running as expected in the browser. Weird..
Fergus Meiklejohn
Ignore the above.. This problem went away when I made changes to the view function. Don't understand why but nothing to see here now..
hey guys I need help. I can't get fsi: start to work in Visual Studio Code
'#' is not recognized as an internal or external command,
Steve Poling
i am just starting & trying to set up vscode/ionide and work through some of the online tutorials. I keep getting "Project parsing failed" and when I look at my project status it says, Status: failed to load and Error: Project not restored. This isn't exactly pointing me toward anything actionable. In fact it seems like it's saying "it's broken" three times without saying why. I'll wager i've done something so obviously wrong that "why" goes without saying.
apologies if there's a faq covering this. please point me to it.

Hi there, I just found this in the "Requirements" section of the home page:

MsBuild 2015 (Windows only, optional) - [...] However, we highly recommend using new, SDK-based project files.

IIRC, project.json is on the way to the retirement. Is this still a thing?

Julien Roncaglia
project.json is dead :)
@carbon-twelve The new project system reverted to msbuild but the projects are a little different "SDK-based", the fsproj starts like this: <Project Sdk="Microsoft.NET.Sdk"> and they are easier to handle for tools like ionide.
MSbuild 2015 (or later) is needed to build old style project but I would advise against they aren't well supported and won't be fixed because everyone is transitioning from it
@vbfox Oh, I see! I confused project.json with the new style of fsproj. Thanks a lot!
Heya people picking up F# again, using VSCode but indention doesn't work is this on purpose?
Leo Cavalcante

Hey folks, Ionide isn't recognizing CsvFile at FSharp.Data.
I have a paket.dependencies with:

source https://www.nuget.org/api/v2

nuget FSharp.Data

And a paket.references with:


Already ran paket install
I'm able to see a newly created packages folder with FSharp.Data folder and its contents.

But inside VSCode, my file:

open FSharp.Data

let main args =
  let data = CsvFile.Load("data.csv")

  printfn "%A" "hello world"

I get:
The value, namespace, type or module 'CsvFile' is not defined.

What I'm missing?


Leo Cavalcante
It was missing a .fsproj read more about it, it is how text editors, like VSCode+Ionide can know what is going on
Hello. Does anybody know why I get Intellisense summaries for my own modules https://ibb.co/iM4nCU but not for system ones https://ibb.co/hBdse9 ? I'm using VSCode + NetCore on Ubuntu. Do I need to install some additional package?
@zetashift what do you mean indentation doesn't work? I'm experiencing a bug where Backspace on a blank line removes one space instead of one indentation level (I'm not sure if that's a VSCode or Ionide bug) but other than that, things are working for me
@tobia it's a small thing if I define a type or function and press enter to type the body it doesn't auto-indent I have to press. I tried with emacs and that one does automatically place a tab on the next line. So I was wondering if it's just a default on Ionide or something.
Not really an issue just curious :P
Harold Salaila
Hello! Is there something in F# like scala worksheets / quokka available? Preferably usable in VS Code
@HSalaila closest thing I found, which works with VSCode is: https://docs.microsoft.com/en-us/dotnet/fsharp/tutorials/fsharp-interactive/
Hey, I'm having a few issues with Iodine. When I write a simple program that makes any type of output such as "System.Console.WriteLine("Test")" nothing outputs at all.
Not even using "printfn" works.