Microsoft Visual Studio Community 2022 Version 17.14.13 (August 2025) VisualStudio.17.Release/17.14.13+36414.22.-august.2025- Microsoft .NET Framework Version 4.8.09037 RemObjects Elements 12.0.0.3013 I am unable to build any of my Asp.net projects. It gives two incomprehensible errors (for …

https://github.com/VISTALL/visual-studio-project-type-guids {349C5851-65DF-11DA-9384-00065B846F21} is for ASP.NET MVC 5.I think it’s from your “classic ASP.NET web application” template. It’s in all my Web Forms projects.

[image] mh: “$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v17.0\WebApplications\Microsoft.WebApplication.targets” It’s also in all my Web Forms projects.

[image] mh: Curious. i think we had a similar report a few weeks back, i need to check what the status or resolution there was. I’ve found it Build Errors MSB4217 and MSB4028 with empty classic webserver project , but there does not seem to be any solution. It hasn’t even been Logged as bug.

After installing ASP.NET development support (a whopping extra 800mb, wow), your project opens and builds fie for me… Latest VS2022, 17.4

Use Rebuild, please. In more complex projects, it is impossible to achieve anything using “build” or “rebuild,” but in simple projects, sometimes “build” works.

[image] carlosfrias: In more complex projects, it is impossible to achieve anything using “build” or “rebuild,” but in simple projects, sometimes “build” works. My colleague reproduced the issue. We’ll investigate thanx!

[image] mh: My colleague reproduced the issue. We’ll investigate thanx! You’re welcome.

I think what is happening is that it doesn’t compile any code that has a real syntax error because the two MS Build errors replace the code error report. My rather large project when it didn’t have an error in it compiled, threw the errors, and then when I ran it, it ran just fine because it was al…

Note that EBuild is giving me an unsupported language error on this line: <%@ Page Language=“Oxygene” AutoEventWireup=“true” CodeBehind=“Default.aspx.pas” Inherits=“etc._Default” EnableEventValidation=“false” %>

I am unable to build any of my Asp.net projects

Elements Oxygene

RemObjectsSoftware (RemObjects) September 5, 2025, 1:50pm 10

Logged as bugs://E27359.

Build Errors MSB4217 and MSB4028 with empty classic webserver project