script.on_event(defines.events.script_raised_built, function(event)
local entity = event.entity or event.created_entity -- Great!
if event.created_entity.name == "indestructible-wall" then -- WHY???
Fix plzkthnx, you're breaking all other mods on the mod portal that make appropriate calls to script_raised_built and script_raised_revive for people who use this mod.