.

exp_util/module/module_exports.lua

@@ -420,7 +420,7 @@ function ExpUtil.get_storage_for_stack(options)
     local current, count, entities = cache.current, cache.count, cache.entities
     for i = 1, cache.count do
         local entity = entities[((current + i - 1) % count) + 1]
-        if entity.can_insert(item) then
+        if entity and entity.can_insert(item) then
             cache.current = current + 1
             return entity
         end