The reference link doesn’t really work with this type of loading
This is the reference unreal generates
/Script/UMGEditor.WidgetBlueprint'/Game/Widgets/LockOnIndicator.LockOnIndicator'
this is the path that works, you also show unreal the class of object
TEXT("WidgetBlueprint'/Game/Widgets/LockOnIndicator.LockOnIndicator_C'")