Version: 1.12.6

Date: 2020-03-07
  Bugfixes:
    - prevent another possible call to invalid stop entity

changelog.txt

@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 1.12.6
+Date: 2020-03-07
+  Bugfixes:
+    - prevent another possible call to invalid stop entity
+---------------------------------------------------------------------------------------------------
 Version: 1.12.5
 Date: 2020-03-03
   Bugfixes:

info.json

@@ -1,11 +1,11 @@
 {
   "name": "LogisticTrainNetwork",
-  "version": "1.12.5",
+  "version": "1.12.6",
   "title": "LTN - Logistic Train Network",
   "author": "Optera",
   "contact": "https://forums.factorio.com/memberlist.php?mode=viewprofile&u=21729",
   "homepage": "https://forums.factorio.com/viewforum.php?f=214",
   "description": "Adds new train stops forming a highly configurable, fully automated logistic network.",
   "factorio_version": "0.18",
-  "dependencies": ["base >= 0.18.0", "OpteraLib >= 0.2.0", "?cargo-ships >= 0.0.27"]
+  "dependencies": ["base >= 0.18.10", "OpteraLib >= 0.2.0", "?cargo-ships >= 0.0.27"]
 }

script/dispatcher.lua

@@ -634,7 +634,7 @@ function ProcessRequest(reqIndex, request)
   -- update delivery count and lamps on stations
   -- trains will pick a stop by their own logic so we have to parse by name
   for stopID, stop in pairs (global.LogisticTrainStops) do
-    if stop.entity.backer_name == from or stop.entity.backer_name == to then
+    if stop.entity.valid and (stop.entity.backer_name == from or stop.entity.backer_name == to) then
       table.insert(global.LogisticTrainStops[stopID].activeDeliveries, selectedTrain.id)
       -- only update blue lamp count, otherwise change to yellow
       local current_signal = stop.lampControl.get_control_behavior().get_signal(1)