Fix HG impregnation tossing errors if you have no HG

src/uncategorized/universalRules.tw

@@ -592,8 +592,14 @@ Slave nicknames are
 ''Pregnant slaves''
 <br>
 <<if $universalRulesImpregnation == "HG">>
-	<<setLocalPronouns _S.HeadGirl>>
-	Fertile slaves will be ''systematically impregnated by your Head Girl,'' if $he is able to do so.
+	Fertile slaves will be ''systematically impregnated by your Head Girl,''
+	<<if !$HeadGirlID>>
+		once you designate one capable of the act.
+		<<set $him = "them">>
+	<<else>>
+		<<setLocalPronouns _S.HeadGirl>>
+		if $he is able to do so.
+	<</if>>
 	[[Cancel insemination regime|Universal Rules][($universalRulesImpregnation = "none"),($universalHGImpregnateMasterSuiteToggle = 0)]]
 	| [[Use a Stud for insemination|Universal Rules][($universalRulesImpregnation = "Stud")]]
 	<<if $PC.dick > 0>>
@@ -608,6 +614,7 @@ Slave nicknames are
 <<elseif $universalRulesImpregnation == "Stud">>
 	<<if !$StudID>>
 		Fertile slaves will be ''systematically impregnated by a Stud,'' once you designate a subordinate slave to act as such.
+		<<set $him = "them">>
 	<<else>>
 		<<set _Stud = slaveStateById($StudID)>>
 		<<setLocalPronouns _Stud>>