Cannot build new project and also signal methods are not connected even after creation.

[nanimuwu]

Godot version

4.1

System information

Windows 10, MacOs 13.4.1

Issue description

Project cannot build (even though the scripts are mostly empty).
Signals won't connect to a method, either through the signal page or manually through code.
Any code I have in the ready function won't run if the project somehow builds.

For the project building, I have tried ver 4.7 and ver 4.8 of .net and both version 6 and 7 of the .net sdk, and Mono 6.12. Sometimes, the project would built (but won't work due to the next issue), and most of the time this prompt appears:

This is the error I have for the signals:


There is clearly no green arrow to show that the signal has been connected.

This is the error message (file directories amended):

Running: "C:\Program Files\dotnet\dotnet.EXE" build "C:/Users/.../file.csproj" -c Debug -v normal -l:GodotTools.BuildLogger.GodotBuildLogger,F:/Godot_v4.1-stable_mono_win64/GodotSharp/Tools\GodotTools.BuildLogger.dll;C:/Users/---/AppData/Roaming/Godot/mono/build_logs\50a3eaf792872707bf5997675dae0db6_Debug -p:GodotTargetPlatform=windows
MSBuild version 17.3.2+561848881 for .NET
Build started 12/07/2023 00:18:21.
1>Project "C:\Users---/file.csproj" on node 1 (Restore target(s)).
1>_GetAllRestoreProjectPathItems:
Determining projects to restore...
Restore:
X.509 certificate chain validation will use the default trust store selected by .NET.
X.509 certificate chain validation will use the default trust store selected by .NET.
Assets file has not changed. Skipping assets file writing. Path: C:\Users---.godot\mono\temp\obj\project.assets.json
Restored C:\Users---projectname.csproj (in 49 ms).

     NuGet Config files used:
         C:\Users\--\AppData\Roaming\NuGet\NuGet.Config
     
     Feeds used:
         https://api.nuget.org/v3/index.json
     All projects are up-to-date for restore.
 1>Done Building Project "C:\Users\---projectname.csproj" (Restore target(s)).

1:7>Project "C:\Users\n---projectname.csproj" on node 1 (default targets).
1>GenerateTargetFrameworkMonikerAttribute:
Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files.
CoreGenerateAssemblyInfo:
Skipping target "CoreGenerateAssemblyInfo" because all output files are up-to-date with respect to the input files.
CoreCompile:
C:\Program Files\dotnet\dotnet.EXE exec "C:\Program Files\dotnet\sdk\6.0.412\Roslyn\bincore\csc.dll" /noconfig /unsafe- /checked- /nowarn:1701,1702,1701,1702 /fullpaths /nostdlib+ /errorreport:prompt /warn:6 /define:GODOT;GODOT4;GODOT4_OR_GREATER;GODOT4_1;GODOT4_1_OR_GREATER;GODOT4_0_OR_GREATER;GODOT4_1_0;GODOT4_1_0_OR_GREATER;GODOT_WINDOWS;GODOT_PC;TRACE;TOOLS;DEBUG;NET;NET6_0;NETCOREAPP;NET5_0_OR_GREATER;NET6_0_OR_GREATER;NETCOREAPP1_0_OR_GREATER;NETCOREAPP1_1_OR_GREATER;NETCOREAPP2_0_OR_GREATER;NETCOREAPP2_1_OR_GREATER;NETCOREAPP2_2_OR_GREATER;NETCOREAPP3_0_OR_GREATER;NETCOREAPP3_1_OR_GREATER /preferreduilang:en /highentropyva+ /reference:C:\Users\nanimuwu.nuget\packages\godotsharp\4.1.0\lib\net6.0\GodotSharp.dll /reference:C:\Users\nanimuwu.nuget\packages\godotsharpeditor\4.1.0\lib\net6.0\GodotSharpEditor.dll /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\Microsoft.CSharp.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\Microsoft.VisualBasic.Core.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\Microsoft.VisualBasic.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\Microsoft.Win32.Primitives.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\Microsoft.Win32.Registry.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\mscorlib.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\netstandard.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.AppContext.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Buffers.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Collections.Concurrent.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Collections.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Collections.Immutable.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Collections.NonGeneric.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Collections.Specialized.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.Annotations.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.DataAnnotations.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.EventBasedAsync.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.Primitives.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ComponentModel.TypeConverter.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Configuration.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Console.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Core.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Data.Common.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Data.DataSetExtensions.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Data.dll" /reference:"C:\Program 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Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Diagnostics.TraceSource.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Diagnostics.Tracing.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Drawing.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Drawing.Primitives.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Dynamic.Runtime.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Formats.Asn1.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Globalization.Calendars.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Globalization.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Globalization.Extensions.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Compression.Brotli.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Compression.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Compression.FileSystem.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Compression.ZipFile.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.FileSystem.AccessControl.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.FileSystem.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.FileSystem.DriveInfo.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.FileSystem.Primitives.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.FileSystem.Watcher.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.IsolatedStorage.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.MemoryMappedFiles.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Pipes.AccessControl.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.Pipes.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.IO.UnmanagedMemoryStream.dll" /reference:"C:\Program 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/reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Net.WebClient.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Net.WebHeaderCollection.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Net.WebProxy.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Net.WebSockets.Client.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Net.WebSockets.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Numerics.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Numerics.Vectors.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ObjectModel.dll" /reference:"C:\Program 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Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Threading.ThreadPool.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Threading.Timer.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Transactions.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Transactions.Local.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.ValueTuple.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Web.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Web.HttpUtility.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Windows.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.Linq.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.ReaderWriter.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.Serialization.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.XDocument.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.XmlDocument.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.XmlSerializer.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.XPath.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\System.Xml.XPath.XDocument.dll" /reference:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\ref\net6.0\WindowsBase.dll" /debug+ /debug:portable /filealign:512 /optimize- /out:"C:\Users---.godot\mono\temp\obj\Debug\Dirhythmic.dll" /refout:"C:\Users---.godot\mono\temp\obj\Debug\refint\Dirhythmic.dll" /target:library /warnaserror- /utf8output /deterministic+ /langversion:10.0 /analyzerconfig:"C:\Users---.godot\mono\temp\obj\Debug\Dirhythmic.GeneratedMSBuildEditorConfig.editorconfig" /analyzerconfig:"C:\Program Files\dotnet\sdk\6.0.412\Sdks\Microsoft.NET.Sdk\analyzers\build\config\analysislevel_6_default.editorconfig" /analyzer:"C:\Program Files\dotnet\sdk\6.0.412\Sdks\Microsoft.NET.Sdk\targets..\analyzers\Microsoft.CodeAnalysis.CSharp.NetAnalyzers.dll" /analyzer:"C:\Program Files\dotnet\sdk\6.0.412\Sdks\Microsoft.NET.Sdk\targets..\analyzers\Microsoft.CodeAnalysis.NetAnalyzers.dll" /analyzer:C:\Users\nanimuwu.nuget\packages\godot.sourcegenerators\4.1.0\analyzers\dotnet\cs\Godot.SourceGenerators.dll /analyzer:"C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\6.0.20\analyzers/dotnet/cs/System.Text.Json.SourceGeneration.dll" eh.cs LevelSelector.cs Menu.cs "C:\Users\nanimuwu\OneDrive - Altrincham Grammar School for Boys\Sixth Form\Year 12\Computer Science\Coursework\Dirhythmic\Dirhythmic.godot\mono\temp\obj\Debug.NETCoreApp,Version=v6.0.AssemblyAttributes.cs" "C:\Users---.godot\mono\temp\obj\Debug\Dirhythmic.AssemblyInfo.cs" /warnaserror+:NU1605
1>C:\Users---\Menu.cs(20,1): error CS8803: Top-level statements must precede namespace and type declarations. [C:\Users---projectname.csproj]
1>C:\Users---\Menu.cs(20,1): error CS0106: The modifier 'private' is not valid for this item [C:\Users---projectname.csproj]
CompilerServer: server - server processed compilation - c643fc32-f915-42bf-8671-50bd1ac2e01d
1>Done Building Project "C:\Users---projectname.csproj" (default targets) -- FAILED.

Build FAILED.

   "C:\Users---projectname.csproj" (default target) (1:7) ->
   (CoreCompile target) -> 
     C:\Users\---\Menu.cs(20,1): error CS8803: Top-level statements must precede namespace and type declarations. [C:\Users\---projectname.csproj]
     C:\Users\---\Menu.cs(20,1): error CS0106: The modifier 'private' is not valid for this item [C:\Users\---projectname.csproj]

0 Warning(s)
2 Error(s)

Time Elapsed 00:00:00.92

Steps to reproduce

• Starting new project
• Currently has .NET Framework 4.7.2 , .NET SDK 6.0.4, Mono 6.12.0 installed
• Create a UI node with a VBoxContainer
• Attach script to UI node
• Create 4 button nodes inside VBoxContainer
• Create a method from signal connection from button node (in this case button down)
• Have anything in the new signal method [ eg GD.Print("Hello World"); or even GetTree().ChangeScene("res://nextscene.tscn"); ]
• Build the project.

Minimal reproduction project

Dirhythmic.zip

[raulsntos]

There is clearly no green arrow to show that the signal has been connected.

The Godot code editor doesn't support C#. You can see in the Node dock to the right that it's connected though.

C:\Users\---\Menu.cs(20,1): error CS8803: Top-level statements must precede namespace and type declarations. [C:\Users\---projectname.csproj]
C:\Users\---\Menu.cs(20,1): error CS0106: The modifier 'private' is not valid for this item [C:\Users\---projectname.csproj]

The C# code is invalid. This is because the Connect signal dialog doesn't support C# at the moment, this issue has already been reported:

• New signal methods in C# are declared outside of its class, making the script invalid #18721.

In case it's not clear, methods in C# must be inside classes, to fix it move the OnPlayButtonDown method inside your class. If you are new to C#, make sure to read the Microsoft C# documentation to learn about general C# concepts and the Godot C# documentation to learn about C# in the context of Godot.

If you need further assistance please reach for help in other Community channels (like Q&A / Discord / Reddit etc.) first. This is a bug tracker, not a place to ask for help.