Unreal Engine Issues

UE-14222

The Error message "Failed to add Class "YourClassName". Failed to automatically hot reload the "YourProjectName" module." appears when adding a class to a C++ project

The Error message "Failed to add Class "YourClassName". Failed to automatically hot reload the "YourProjectName" module." appears when adding a class to a C++ project

Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

Questions & Answers
Description

Edit MattK: This is UserWidget specific. If we don't want users to extend this class we should figure out a way to prevent that in our wizards

When trying to add a C++ class to a project the following error is received :

"Failed to add Class "YourClassName". Failed to automatically hot reload the "YourProjectName" module."

Steps to Reproduce
  1. Open a new C++ project
  2. Add Code to project
    File > Add code to project
  3. Click "Show all Classes"
  4. Type "WidgetBlueprint"
  5. Select widgetblueprint (path: BlueprintCore > Blueprint > WidgetBlueprint)
  6. Name the class "HudWidget"
  7. Press the Create Class button
  8. Notice the error mentioned in the description above
Community References

Failed to add C++ Widget class

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Won't Fix
ComponentUE - Editor - UI Systems
Affects Versions4.7.6
CreatedApr 22, 2015
ResolvedFeb 7, 2017
UpdatedApr 27, 2018