fixed a runtime error

Program.cs

@@ -84,46 +84,50 @@ namespace IngameScript
                     "Maneuvering_Thruster_Prefix",
                     "[MANEUVERING]"
                 );
-                _configIni.SetComment("AutomaticConnectorActions", "Polling", "Enable polling");
+                _configIni.SetComment(
+                    "AutomaticConnectorActions",
+                    "Polling",
+                    "If Polling is enabled, the script will check for docked/undocked connectors every 10 ticks. Otherwise, the script will only run manually."
+                );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Connector_Prefix",
-                    "Connector prefix"
+                    "If the connector's name contains this string, the script will manage it."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Manage_Gyroscopes",
-                    "Manage gyroscopes"
+                    "If this is enabled, the script will disable and enable gyroscopes when docking and undocking, respectively."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Recharge_Batteries",
-                    "Recharge batteries"
+                    "If this is enabled, the script will set all batteries to recharge mode when docking and set them to auto mode when undocking."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Stockpile_Gas_Tanks",
-                    "Stockpile gas tanks"
+                    "If this is enabled, the script will set all gas tanks to stockpile when docking and set them to not stockpile when undocking."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Manage_Thrusters",
-                    "Manage thrusters"
+                    "If this is enabled, the script will disable all thrusters when docking."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Enable_All_Thrusters_On_Undock",
-                    "Enable all thrusters on undock"
+                    "If this is enabled, the script will enable all thrusters when undocking."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Manage_Maneuvering_Thrusters",
-                    "Manage maneuvering thrusters"
+                    "If this is enabled, the script will disable and enable maneuvering thrusters when docking and undocking, respectively."
                 );
                 _configIni.SetComment(
                     "AutomaticConnectorActions",
                     "Maneuvering_Thruster_Prefix",
-                    "Prefix for maneuvering thrusters"
+                    "If the maneuvering thruster's name contains this string, the script will manage it."
                 );
                 Me.CustomData = _configIni.ToString();
             }
@@ -168,11 +172,10 @@ namespace IngameScript
             }
         }
 
-        public void Save(bool isDocked)
+        public void Save()
         {
-            _isDocked = isDocked;
             _storageIni.Clear();
-            _storageIni.Set("AutomaticConnectorActions", "Is_Docked", isDocked);
+            _storageIni.Set("AutomaticConnectorActions", "Is_Docked", _isDocked);
             Storage = _storageIni.ToString();
         }
 
@@ -256,7 +259,8 @@ namespace IngameScript
                 Echo("Set grid batteries to recharge.");
             }
 
-            Save(true);
+            _isDocked = true;
+            Save();
         }
 
         private void Undock()
@@ -363,7 +367,8 @@ namespace IngameScript
                 Echo("Turned on grid thrusters.");
             }
 
-            Save(false);
+            _isDocked = false;
+            Save();
         }
 
         public void Main(string argument, UpdateType updateSource)