Do not call IsHarvested() when SKSE is not loaded, added a couple SKSE checks

source/scripts/_00e_func_checkskse.psc

@@ -8,8 +8,7 @@ Function Run() global
 	if SKSEVer == 0
 		Utility.wait(2.0)
 		Game.QuitToMainMenu()
-		Debug.MessageBox("SKSE is not detected! Start Enderal through the launcher or skse64_loader.exe in the game directory.")
-		Return
+		Debug.MessageBox("SKSE is not detected! Start Enderal through skse64_loader.exe in the game directory.")
 	endif
 
 EndFunction

source/scripts/critter.psc

@@ -119,6 +119,8 @@ bool property bCalculating = false auto hidden
 bool bDeleting = false
 ; don't do DisableAndDelete() a second time
 
+bool Property bSKSE = true Auto Hidden
+
 ;----------------------------------------------
 ; Events
 ;----------------------------------------------
@@ -289,6 +291,7 @@ Event OnInit()
 	; We know default properties are good
 	bDefaultPropertiesInitialized = true
 	bAttached = true
+	bSKSE = (SKSE.GetVersion() > 0)
 	; If everything else is also good, start doing stuff
 	CheckStateAndStart()
 endEvent

source/scripts/crittermoth.psc

@@ -326,7 +326,7 @@ ObjectReference Function PickPlant(float x, float y, float z, float searchDistan
 					endif
 				endif
 
-				if (!newPlant.IsHarvested() || IgnoreHarvestedPlants.Find(plantForm) == -1)
+				if ! bSKSE || (!newPlant.IsHarvested() || IgnoreHarvestedPlants.Find(plantForm) == -1)
 					return newPlant; [USKP 2.0.1b]
 				endif
 			endif

source/scripts/qf_mq101_0003372b.psc

@@ -17,7 +17,7 @@ Actor PlayerREF = Game.GetForm(0x14) as Actor
 PlayerREF.RemoveAllItems(none, false, false)
 PlayerREF.MoveTo(PlayerStartMarkerNew)
 
-if EnderalFunctions.GetNewGameCount() > 1
+if SKSE.GetVersion() > 0 && EnderalFunctions.GetNewGameCount() > 1
 	Game.QuitToMainMenu()
 	Debug.MessageBox("Due to an engine bug, new game should not be started after quitting to the main menu. Please, restart Enderal first.")
 endif