Fix bug with 'ignore' nodes when some map areas are not fully loaded but NPC try to perform actions on them.

actions/actions.lua

@@ -604,6 +604,10 @@ function npc.actions.use_bed(self, args)
 
 	if action == npc.actions.const.beds.LAY then
 		-- Get position
+		-- Error here due to ignore. Need to come up with better solution
+		if node.name == "ignore" then
+			return
+		end
 		local bed_pos = npc.actions.nodes.beds[node.name].get_lay_pos(pos, dir)
 		-- Sit down on bed, rotate to correct direction
 		npc.add_action(self, npc.actions.cmd.SIT, {pos=bed_pos, dir=(node.param2 + 2) % 4})
@@ -611,6 +615,10 @@ function npc.actions.use_bed(self, args)
 		npc.add_action(self, npc.actions.cmd.LAY, {})
 	else
 		-- Calculate position to get up
+		-- Error here due to ignore. Need to come up with better solution
+		if node.name == "ignore" then
+			return
+		end
 		local bed_pos_y = npc.actions.nodes.beds[node.name].get_lay_pos(pos, dir).y
 		local bed_pos = {x = pos.x, y = bed_pos_y, z = pos.z} 
 		-- Sit up
@@ -662,6 +670,10 @@ function npc.actions.use_sittable(self, args)
 
 	if action == npc.actions.const.sittable.SIT then
 		-- Calculate position depending on bench
+		-- Error here due to ignore. Need to come up with better solution
+		if node.name == "ignore" then
+			return
+		end
 		local sit_pos = npc.actions.nodes.sittable[node.name].get_sit_pos(pos, node.param2)
 		-- Sit down on bench/chair/stairs
 		npc.add_action(self, npc.actions.cmd.SIT, {pos=sit_pos, dir=(node.param2 + 2) % 4})

actions/pathfinder.lua

@@ -153,7 +153,11 @@ local function walkable(node, exceptions)
   if node.name == "cottages:wood_flat" then
   	is_mg_villages_ceiling = true
   end
-  if node ~= nil and node.name ~= nil and not minetest.registered_nodes[node.name].walkable then
+  if node ~= nil 
+  	and node.name ~= nil 
+  	and node.name ~= "ignore" 
+  	and minetest.registered_nodes[node.name]
+  	and not minetest.registered_nodes[node.name].walkable then
     return false
   elseif is_openable then
     return false

spawner.lua

@@ -557,6 +557,11 @@ function spawner.replace_mg_villages_plotmarker(pos)
   local village_id = meta:get_string("village_id")
   local plot_nr = meta:get_int("plot_nr")
   local infotext = meta:get_string("infotext")
+  -- Check for nil values above
+  if (not village_id or (village and village == "")) 
+  	or (not plot_nr or (plot_nr and plot_nr == 0)) then
+  	return
+  end
   -- Following line from mg_villages mod, protection.lua
   local btype = mg_villages.all_villages[village_id].to_add_data.bpos[plot_nr].btype
   local building_data = mg_villages.BUILDINGS[btype]