Every single line of code is marked as error - Console application

Please paste the output from your clipboard## Issue Description ##

Steps to Reproduce

1- Create a new projet with dotnet new console

Expected Behavior

Correct code should not be marked

Actual Behavior

Every single line of code is marked as error

Logs

OmniSharp log

Post the output from Output-->OmniSharp log here

C# log

Post the output from Output-->C# here

Environment information

VSCode version: 1.50.1 C# Extension: 1.23.4

Mono Information

OmniSharp using global mono :6.12.0

Dotnet Information

.NET Core SDK (reflecting any global.json): Version: 3.1.402 Commit: 9b5de826fd Runtime Environment: OS Name: Mac OS X OS Version: 10.15 OS Platform: Darwin RID: osx.10.15-x64 Base Path: /usr/local/share/dotnet/sdk/3.1.402/ Host (useful for support): Version: 3.1.8 Commit: 9c1330dedd .NET Core SDKs installed: 2.1.505 [/usr/local/share/dotnet/sdk] 3.0.102 [/usr/local/share/dotnet/sdk] 3.1.402 [/usr/local/share/dotnet/sdk] .NET Core runtimes installed: Microsoft.AspNetCore.All 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All] Microsoft.AspNetCore.App 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.0.2 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.1.8 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 2.1.22 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 3.0.2 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.8 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] To install additional .NET Core runtimes or SDKs: https://aka.ms/dotnet-download

Visual Studio Code Extensions

|Extension|Author|Version| |---|---|---| |back-n-forth|nick-rudenko|3.1.0| |cpptools|ms-vscode|1.0.1| |csharp|ms-dotnettools|1.23.4| |csharpextensions|jchannon|1.3.1| |debugger-for-chrome|msjsdiag|4.12.11| |dotenv|mikestead|1.0.1| |EditorConfig|EditorConfig|0.15.1| |gitlens|eamodio|10.2.2| |Handlebars|andrejunges|0.4.1| |handlebars-preview|chaliy|1.1.0| |heroku-command|pkosta2005|0.0.8| |html-css-class-completion|Zignd|1.19.0| |JavaScriptSnippets|xabikos|1.8.0| |json|ZainChen|2.0.1| |language-x86-64-assembly|13xforever|2.3.0| |LiveServer|ritwickdey|5.6.1| |material-icon-theme|PKief|4.3.0| |node-essentials|afractal|1.1.0| |node-module-intellisense|leizongmin|1.5.0| |nodejs-extension-pack|waderyan|0.1.9| |non-breaking-space-highlighter|viktorzetterstrom|0.0.3| |npm-intellisense|christian-kohler|1.3.1| |path-intellisense|christian-kohler|2.3.0| |quokka-vscode|WallabyJs|1.0.327| |remote-ssh|ms-vscode-remote|0.55.0| |remote-ssh-edit|ms-vscode-remote|0.55.0| |search-node-modules|jasonnutter|1.3.0| |vetur|octref|0.28.0| |vsc-material-theme|Equinusocio|33.0.0| |vsc-material-theme-icons|equinusocio|1.2.0| |vscode-eslint|dbaeumer|2.1.13| |vscode-exec-node|miramac|0.5.3| |vscode-for-node-js-development-pack|nodesource|2.0.1| |vscode-html-css|ecmel|0.2.3| |vscode-icontheme-nomo-dark|be5invis|1.3.6| |vscode-import-cost|wix|2.12.0| |vscode-jest|Orta|3.2.0| |vscode-kubernetes-tools|ms-kubernetes-tools|1.2.1| |vscode-npm-script|eg2|0.3.13| |vscode-npm-source|dkundel|1.0.0| |vscode-pull-request-github|GitHub|0.20.1| |vscode-typescript-tslint-plugin|ms-vscode|1.2.3| |vscode-yaml|redhat|0.11.1| |vscodeintellicode|VisualStudioExptTeam|1.2.10| |vsliveshare|ms-vsliveshare|1.0.3046| |vsliveshare-audio|ms-vsliveshare|0.1.91| |vue|jcbuisson|0.1.5|;

dotnet / vscode-csharp