When attempting to change the option for Two-Sided Material for a Material Instance, the option is initially greyed out and you cannot change the value. However, if you close out of the Material Instance and then re-open it, the value will be changeable.


Tested in //UE4/Release-4.26 @ CL 15973114

Steps to Reproduce
  1. Open any project
  2. Right-click in the Content Drawer
  3. Create a new Material
  4. Right-click the Material in the Content Drawer
  5. Create a Material Instance
  6. Open the Material Instance
  7. Enable the Two-Sided Material option


The Two-Sided option is greyed out and the value cannot be changed


The Two-Sided Material option isn't greyed out and the value can be changed

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-117794 in the post.

Login to Vote

CreatedJun 9, 2021
UpdatedJun 15, 2022