Tutorial Category: Unreal Build Tool

“Unable to Build While Live Coding Is Active” (UE5 Fix)

Works in Unreal Engine 5.0 to 5.8. Updated November 2026. Quick answer: you pressed Build in Visual Studio or Rider while the Unreal Editor is

UE 5.8 C++ Build Fails With RulesError “FabToolset” (Fix)

Seen in Unreal Engine 5.8.4 (Launcher) with Fab plugin 0.0.22. Updated November 2026. Quick answer: a Fab plugin update added a new module (FabToolset) that

Plugin ‘Fab’ Failed to Load Because Module ‘Fab’ Could Not Be Loaded (Fix)

Applies to the Fab plugin in Unreal Engine 5, including 5.8.4. Updated November 2026. Quick answer: Windows blocked or couldn’t load the Fab plugin’s DLL

UE5 Variable is optimized away and not available when debugging

In this tutorial, we cover a debugging scenario where you will get the optimized variable message in the visual studio debugger when trying to watch

Unreal Engine Plugins Folder

UE5 How To Create A Plugin From A Module

This is a guide for unreal engine plugin development which lays out brief but useful steps to take an unreal engine custom module and make

Plugin Failed to Load Because Module Could Not Be Found (UE5 Fix)

Works in Unreal Engine 5.0 to 5.8. Updated October 2026. Quick answer: Unreal found the plugin, but not the compiled module (the .dll) it needs

UE5 expected an include at the top error

UE5 Expected an include at the top of the header generated.h

How to fix Unreal Engine Error: Expected an include at the top of the header: ‘#include “XXX.generated.h”. This is an error thrown by Unreal Build

UE5 Set visual studio for building

Visual Studio 2022 x64 Must Be Installed in Order to Build This Target (UE5 Fix)

Works in Unreal Engine 5.0 to 5.8. Updated October 2026. Quick answer: Unreal Build Tool can’t find a C++ compiler it accepts. Having the Visual

How To Package And Sell Binary Plugins For UE5

You can package and distribute your unreal engine plugins as binary files only and not have to share your source files. There are a few

UE5 LNK2001 unresolved external symbol Errors

UE5 LNK2001 unresolved external symbol Solution

Here’s how to solve unreal engine unresolved external symbol error: LNK2001 error is thrown by Visual Studio Linker after the developer has attempted to inherit

UE5 “Plugin Failed to Load Because Module Could Not Be Loaded” Fix

Works in Unreal Engine 5.0 to 5.8. Updated October 2026. Quick answer: the plugin’s files are there, but Windows couldn’t load them. Usually a file

The following modules are missing

Fix “The Following Modules Are Missing or Built With a Different Engine Version”

Works in Unreal Engine 5.0 to 5.8. Updated October 2026. Quick answer: the project (or one of its plugins) has C++ code that wasn’t built