Seems related to [4.8P1] my collisions no longer work for a spline mesh component - Programming & Scripting - Unreal Engine Forums
You might want to add your voice there and check if that solution applies to your issue.
Seems related to [4.8P1] my collisions no longer work for a spline mesh component - Programming & Scripting - Unreal Engine Forums
You might want to add your voice there and check if that solution applies to your issue.