Receiving error while creating project with Razor page template - visual-studio-2019

Immediately I click on create and the project loads. I always receive the below error. I cannot do anything without correcting this.
This is the error:
Severity Code Description Project File Line Suppression State
Error NETSDK1004 Assets file 'C:\Users\HARBIORLAR PC\Desktop\VB Web Projects\BookList\BookList\BookList\obj\project.assets.json' not found. Run a NuGet package restore to generate this file. BookList C:\Program Files\dotnet\sdk\3.1.300\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets 234
Screen shot of the error:

This is what i did and it works,I Enable automatic package restore by choosing Tools > Options > NuGet Package Manager, and then selecting Automatically check for missing packages during build in Visual Studio under Package Restore.
Then I build the project with internet connection on and the missing file was downloaded.
This the Screen shot After successful

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Error: Could not find or load main class org.grails.cli.GrailsCli

I'm trying to start a Grails 4 application in Intellij, the project is configured with Java 8 and Gradle seems to be loaded correctly, but it gives me the following error:
error: Could not find or load main class org.grails.cli.GrailsCli
Is there any know method in which I can get around this problem?
First, check if the language level and SDK are correct (File > Project Structure > (Project/Modules) > Language Level)
From 360learntocode' blog post:
This might be due to the removal of some dependencies or libraries
from the application. Sometimes, while loading multiple applications
from IDE while downloading the library for a particular project other
libraries for another project might remove so this kind of error might
occurs for that project.
Let's first delete the build folder under the application.
Now, let's refresh the Gradle project. Here we are using IntelliJ
Idea, we can refresh the project as below
Image description:
Click Gradle on the right tab;
Select the project;
Click refresh.
After refreshing the project it will download the missing
dependencies. Then run the application which will resolve the problem.
We can also try cleaning the application.
If we are using the command line then type the following command to
clean the application.
grails clean
If we are using the IntelliJ idea then Ctr+Alt+G opens the command
window and use the following command.
clean
Now, re-run the app.

I can not build the generated Android project by Zebble

I am getting the following error when building the android project generated by Zebble for Xamarin.
I followed the steps in -READ-ME-NOW!!!!!!!!!!!! text file. When I did build the android project, this is error I got:
The command "Zebble" update-schema auto" exited with code -1.
Some additional error log I found from Build output:
EXEC : error : Failed to update the xml schema for intellisense: Failed to find the UWP exe file. Searched all EXE files inside: E:\Labs.NET\Xamarin\TestZebble\TestZebbleApp\Run\UWP\bin
Could you please tell me what has gone wrong.
Hope this helps:
Remove all zebble folders from nuget packages folder.
Remove the Run\Android\Zebble.exe file.
Update the zebble nuget to latest version.
Set the Android project as startup project.
From Build > Configuration Manager be sure that Build and Deploy are enabled for android project.
Rebuild the solution.

Unable to build fsharp projects using FAKE. Getting "Cannot open assembly'.paket/paket.bootstrapper.exe': No such file or directory." Error

Created a new fsharp project from Visual Studio Code (Version 1.12.2) while trying to build it with FAKE it is showing this error
"Cannot open assembly '.paket/paket.bootstrapper.exe': No such file or directory."
I checked the .paket folder of my project the paket.bootstrapper.exe is missing in there.
I using ionide 2.25.14, ionide-fake 1.2.3 and ionide-Paket 1.6.3.
I tried building the project with msbuild and it is building without any errors.
EDIT
This is how the build target is defined in the build.fsx.
Target "Build" (fun _ ->
// compile all projects below src/app/
MSBuildDebug buildDir "Build"
appReferences |> Log "AppBuild-Output: "
)
Downloading paket.bootstrapper.exe from github and adding in to the .packet folder resolved the issue.
The simplest, and maybe the best thing to do is to download paket.bootstrapper.exe if it didn't get generated along with your project.
Your build script is trying to run paket.bootstrapper.exe, but can't find it, likely because your project was generated without one. If you already have a folder named .paket, then your project was likely generated with a paket.exe, instead.
The only thing paket.bootstrapper.exe does is download the latest version of paket.exe. Your build script is just trying to automate keeping your package manager up to date.

Nuget package restore error in build definition

I'm getting this error when building a project​ using Visual Studio online service build:
Error:
This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is ....\Attempt17\.nuget\NuGet.targets.
It is giving that nuget.target file is missing but it is already present in .nuget folder.
Any help?
You should add a "Nuget Package Restore" task to your build before you run your compilation. You no longer need a ".nuget" folder.
I had a different cause, in VSTS/Azure DevOps using "Use Nuget" first then "NuGet restore" second, on Hosted agent...the restore was throwing this error. Error began showing sometime around Feb 1, 2019.
I had to change this...
Path to solution, packages.config, or project.json: **/*.sln
to this...
Path to solution, packages.config, or project.json: **\{YOUR_SOLUTION_NAME}.sln
And the error went away.
Hope this helps!

Error building a Release version when referencing a Web Service

If I create a New Mono Android application, then change the Active Config of the solution to Release, then right click and choose build, the application builds fine.
If I then add a web reference to http://soatest.parasoft.com/calculator.wsdl as per this tutorial, then if I build again I get the error:
Error 1 Could not load file or assembly 'mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e' or one of its dependencies. Strong name validation failed. (Exception from HRESULT: 0x8013141A)
C:\Users\Administrator\Documents\Visual Studio 2010\Projects\MonoAndroidApplication3\MonoAndroidApplication3\SGEN
If I change the Active config back to Debug then build, then the solution builds fine.
However, I cannot get the Release config to build at all when referencing any web service. This is causing me problems as I can't deploy a release version of my application.
I have tried using VS2010 and MonoDevelop 2.6 Beta 2, both give the same error.
I can't figure out why this is happening, but you can workaround it by going to the Build tab of your project properties and turning off "Generate serialization assembly".
Generate serialization assembly prevented you from building.
I got the NameResolutionFailure when selecting Release target because i didn't set the INTERNET permission in the application's options:
right click your project
select options
select the left item "Mono for Android Application"
set Required Permissions: "INTERNET" by checking the checkmark next to it.
It seems that this is active for debug builds since it's used to connect the debugger to the application.
You have to set this yourself in the Release build configuration.

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