diff --git a/addons/mission/functions/fnc_battlefieldMemorial.sqf b/addons/mission/functions/fnc_battlefieldMemorial.sqf
index 7f426962..341d507f 100644
--- a/addons/mission/functions/fnc_battlefieldMemorial.sqf
+++ b/addons/mission/functions/fnc_battlefieldMemorial.sqf
@@ -30,12 +30,14 @@ if (_position isEqualType "OBJECT") then {
     _position = getPosATL _position;
 };
 
-// Error checking
-if !(_helmet isEqualType "") exitWith {
-    ERROR_MSG_1("Invalid input (%1) expected classname as string.",_helmet)
-};
-if !(_weapon isEqualType "") exitWith {
-    ERROR_MSG_1("Invalid input (%1) expected classname as string.",_weapon)
+// Error checking - Only in Editor
+if (is3DENPreview) then {
+    if !(_helmet isEqualType "") exitWith {
+        ERROR_MSG_1("Invalid input (%1) expected classname as string.",_helmet)
+    };
+    if !(_weapon isEqualType "") exitWith {
+        ERROR_MSG_1("Invalid input (%1) expected classname as string.",_weapon)
+    };
 };
 
 private _memorial = createVehicle ["Land_BattlefieldCross_01_NATO_F", _position, [], 0, "CAN_COLLIDE"];
diff --git a/addons/mission/functions/fnc_carAlarm.sqf b/addons/mission/functions/fnc_carAlarm.sqf
index a343a057..bdf785c5 100644
--- a/addons/mission/functions/fnc_carAlarm.sqf
+++ b/addons/mission/functions/fnc_carAlarm.sqf
@@ -19,16 +19,18 @@
 params ["_vehicle", ["_removeAfterFiring", true]];
 
 // Only add to Cars that would have alarms, extra check for wheeled APCs that inherit from Car_F
-if !(_vehicle isKindOf "Car_F") exitWith {
-    ERROR_MSG_1("Vehicle (%1) is not a car.",_vehicle);
-};
-if (_vehicle isKindOf "Wheeled_APC_F") exitWith {
-    ERROR_MSG_1("Vehicle (%1) is not a car.",_vehicle);
-};
+if (is3DENPreview) then {
+    if !(_vehicle isKindOf "Car_F") exitWith {
+        ERROR_MSG_1("Vehicle (%1) is not a car.",_vehicle);
+    };
+    if (_vehicle isKindOf "Wheeled_APC_F") exitWith {
+        ERROR_MSG_1("Vehicle (%1) is not a car.",_vehicle);
+    };
 
-// Needs empty vehicle
-if (crew _vehicle isNotEqualTo []) exitWith {
-    ERROR_MSG_1("Vehicle (%1) must be empty.",_vehicle);
+    // Needs empty vehicle
+    if (crew _vehicle isNotEqualTo []) exitWith {
+        ERROR_MSG_1("Vehicle (%1) must be empty.",_vehicle);
+    };
 };
 
 // Don't add event if JIP and it's already been removed.
diff --git a/addons/mission/functions/fnc_lockDoors.sqf b/addons/mission/functions/fnc_lockDoors.sqf
index 74a01015..80fc6341 100644
--- a/addons/mission/functions/fnc_lockDoors.sqf
+++ b/addons/mission/functions/fnc_lockDoors.sqf
@@ -23,14 +23,16 @@ params ["_building", ["_doorIndex", []], ["_lockState", 1], ["_isGlobal", true]]
 // If running globally, exit if not the server.
 if (_isGlobal && !isServer) exitWith {};
 
-// Exit if door index array is empty
-if (_doorIndex isEqualTo []) exitWith {
-    ERROR_MSG("Door Index is empty.");
-};
+if (is3DENPreview) then {
+    // Exit if door index array is empty
+    if (_doorIndex isEqualTo []) exitWith {
+        ERROR_MSG("Door Index is empty.");
+    };
 
-// Check lockstate value is correct.
-if !(_lockState in [0, 1]) exitWith {
-    ERROR_MSG_1("Lock State is invalid (%1), expected 0 or 1.",_lockState);
+    // Check lockstate value is correct.
+    if !(_lockState in [0, 1]) exitWith {
+        ERROR_MSG_1("Lock State is invalid (%1), expected 0 or 1.",_lockState);
+    };
 };
 
 {
diff --git a/addons/mission/functions/fnc_setSleeping.sqf b/addons/mission/functions/fnc_setSleeping.sqf
index ae1ecadb..e44b3f19 100644
--- a/addons/mission/functions/fnc_setSleeping.sqf
+++ b/addons/mission/functions/fnc_setSleeping.sqf
@@ -24,8 +24,10 @@ params ["_group", ["_asleep", true], ["_time", 0]];
 
 if (!is3DENPreview && {hasInterface}) exitWith {};
 
-if (_group isEqualType "OBJECT") exitWith {
-    ERROR_MSG("Input only allows group, detected unit.");
+if (is3DENPreview) then {
+    if (_group isEqualType "OBJECT") exitWith {
+        ERROR_MSG("Input only allows group, detected unit.");
+    };
 };
 
 private _units = units _group;
diff --git a/addons/mission/functions/fnc_surrender.sqf b/addons/mission/functions/fnc_surrender.sqf
index e18c7554..f2e6dd3e 100644
--- a/addons/mission/functions/fnc_surrender.sqf
+++ b/addons/mission/functions/fnc_surrender.sqf
@@ -22,8 +22,10 @@ params ["_group", ["_surrenderChance", 5], ["_minimumDistance", 400], ["_rallyCh
 
 if (!is3DENPreview && {hasInterface}) exitWith {};
 
-if (_group isEqualType "OBJECT") exitWith {
-    ERROR_MSG("Input only allows group, detected unit.");
+if (is3DENPreview) then {
+    if (_group isEqualType "OBJECT") exitWith {
+        ERROR_MSG("Input only allows group, detected unit.");
+    };
 };
 
 _group setVariable [QGVAR(surrenderParams), [_surrenderChance, _minimumDistance, _rallyChance], true];