Added vehicle existance check

addons/fastroping/XEH_preInit.sqf

@@ -6,6 +6,7 @@ PREP(canCutRopes);
 PREP(canDeployRopes);
 PREP(canFastRope);
 PREP(canPrepareFRIES);
+PREP(checkVehicleThread);
 PREP(cutRopes);
 PREP(deployRopes);
 PREP(equipFRIES);

addons/fastroping/functions/fnc_checkVehicleThread.sqf

@@ -0,0 +1,25 @@
+/*
+ * Author: BaerMitUmlaut
+ * Checks if the given helicopter still exits, and if not, destroys the FRIES.
+ *
+ * Arguments:
+ * 0: The helicopter <OBJECT>
+ * 1: The helicopter's FRIES <OBJECT>
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * [_vehicle, _fries] call ace_fastroping_fnc_checkVehicleThread
+ *
+ * Public: No
+ */
+
+#include "script_component.hpp"
+params ["_vehicle", "_fries"];
+
+if (isNull _vehicle) then {
+    deleteVehicle _fries;
+} else {
+    [FUNC(checkVehicleThread), _this, 5] call EFUNC(common,waitAndExecute);
+};

addons/fastroping/functions/fnc_equipFRIES.sqf

@@ -35,5 +35,6 @@ if !(isNumber (_config >> QGVAR(enabled))) then {
                 [_vehicle] call FUNC(cutRopes);
             };
         }];
+        [FUNC(checkVehicleThread), [_vehicle, _fries], 5] call EFUNC(common,waitAndExecute);
     };
 };