Fix crash

src/common.lua

@@ -101,44 +101,47 @@ local function search(data)
 	for i = 1, #data.items_raw do
 		local item = data.items_raw[i]
 		local def = reg_items[item]
-		local desc = lower(translate(data.lang_code, def and def.description)) or ""
-		local search_in = fmt("%s %s", item, desc)
-		local temp, j, to_add = {}, 1
-
-		if search_filter then
-			for filter_name, values in pairs(filters) do
-				if values then
-					local func = i3.search_filters[filter_name]
-					to_add = (j > 1 and temp[item] or j == 1) and
-						func(item, values) and (search_filter == "" or
-						find(search_in, search_filter, 1, true))
-
-					if to_add then
-						temp[item] = true
+
+		if def then
+			local desc = lower(translate(data.lang_code, def and def.description)) or ""
+			local search_in = fmt("%s %s", item, desc)
+			local temp, j, to_add = {}, 1
+
+			if search_filter then
+				for filter_name, values in pairs(filters) do
+					if values then
+						local func = i3.search_filters[filter_name]
+						to_add = (j > 1 and temp[item] or j == 1) and
+							func(item, values) and (search_filter == "" or
+							find(search_in, search_filter, 1, true))
+
+						if to_add then
+							temp[item] = true
+						end
+
+						j++
 					end
+				end
+			else
+				local ok = true
 
-					j++
+				for keyword in gmatch(filter, "%S+") do
+					if not find(search_in, keyword, 1, true) then
+						ok = nil
+						break
+					end
 				end
-			end
-		else
-			local ok = true
 
-			for keyword in gmatch(filter, "%S+") do
-				if not find(search_in, keyword, 1, true) then
-					ok = nil
-					break
+				if ok then
+					to_add = true
 				end
 			end
 
-			if ok then
-				to_add = true
+			if to_add then
+				c++
+				filtered_list[c] = item
 			end
 		end
-
-		if to_add then
-			c++
-			filtered_list[c] = item
-		end
 	end
 
 	data.items = filtered_list