Note: If this bug occurs in a modpack, please report this to the modpack author. Otherwise, delete this line and add your description here. If you are using an unreleased version of Ender IO (e.g. for 1.8.9), please don't open an issue for features that have not been announced as "finished" or "working".
When placing Architecture craft blocks in a wireless lights area it will crash the game.
[pastebin/gist/etc link here]
java.lang.ClassCastException: crazypants.enderio.machine.light.TileLightNode cannot be cast to gcewing.architecture.ShapeTE
Sadly they do not have a system for reporting a bug, so I have emailed them. This page will be linked for them.
edit here is the pastebin http://pastebin.com/5UbR7A7A and the author's email : firstname.lastname@example.org