Unreal Engine Plugin Module Failed to Load

How to fix it

Try these in order — the most common fix is first.

1. 1. Identify the plugin and module

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   1. Open the log in Saved/Logs and find the module name that failed to load
   2. Check the plugin's version against your engine version on its Fab page
   Did this fix it? Yes No

2. 2. Install a plugin build for your engine version

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   1. Install the version of the plugin built for your engine from the Fab library (Vault) or the vendor
   2. Plugins you own as source can be recompiled; binary-only plugins must be rebuilt by the vendor
   Did this fix it? Yes No

3. 3. Disable the plugin temporarily

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   1. Set "Enabled": false for the plugin in the .uproject file (or remove the entry) to open the project
   2. Re-enable it once a compatible version is installed
   Did this fix it? Yes No

4. 4. Clean rebuild from your IDE

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   1. Close the editor and delete the Binaries and Intermediate folders in the project and in the plugin
   2. Right-click the .uproject, choose Generate Visual Studio project files, then build the Development Editor target in Visual Studio
   3. Make sure the Visual Studio components required for your engine version are installed, otherwise the in-editor rebuild prompt fails
   Did this fix it? Yes No

5. 5. Check the engine association

   1. Right-click the .uproject and choose Switch Unreal Engine version to select the engine you intend to use
   Did this fix it? Yes No

Symptoms

On opening the project you see 'The following modules are missing or built with a different engine version' with a rebuild prompt, or the log says "Plugin 'X' failed to load because module 'Y' could not be found" and the editor refuses to start or the plugin is disabled.

Why it happens

• Plugin binaries were built for a different engine version than the one opening the project
• Project or plugin needs recompiling from source after an engine upgrade (stale Binaries and Intermediate folders)
• Missing Visual Studio / Xcode toolchain components, so the 'Yes, rebuild' prompt fails
• Generated .modules files or plugin binaries not present (for example not committed to source control)
• Project .uproject associated with the wrong engine version

This guide also covers

• unreal engine plugin module failed to load
• unreal engine missing plugin module
• the following modules are missing or built with a different engine version
• plugin failed to load because module could not be found unreal

The same problem in other apps

All not loading, error messages & connection guides →

• Unity Package Manager Errors (Unity)
• Godot C# Error: Godot.NET.Sdk or .NET SDK Not Found (Godot)
• Blender CUDA / OptiX Error: Kernel Compilation Failed (Blender)

Other Unreal Engine errors

• Unreal Engine Fatal Error Crash
• Unreal Engine GPU Crashed or D3D Device Removed
• Unreal Engine Shaders Compiling Forever (Stuck at 45%)
• Unreal Engine Out of Video Memory Error
• Unreal Engine Project Won't Open After Upgrade
• Epic Games Launcher Stuck Installing Unreal Engine
• Unreal Engine Packaging Failed (Unknown Cook Failure)
• Unreal Engine Visual Studio C++ Build Errors