We are also experiencing this issue. On UEFN a workaround is to create a 0% opacity material for the barrier to use. On Creative 1.0 there is no way to fix it without using other devices (i.e. Objectives) which can cause gameplay issues.
We are also experiencing this issue. On UEFN a workaround is to create a 0% opacity material for the barrier to use. On Creative 1.0 there is no way to fix it without using other devices (i.e. Objectives) which can cause gameplay issues.