Subquake,
The hunting knife book is not locking steel and titanium recipes.
<item id="912" name="huntingKnifeBook">
<property name="Extends" value="schematicMaster"/>
<property class="Action1">
<property name="Recipes_to_learn" value="huntingKnife,ulmHuntingKnifeSteel,ulmHuntingKnifeTitanium"/>
<!--
<property name="Skills_to_gain" value="craftSkillWeapons"/>
-->
</property>
Should be:
<item id="912" name="huntingKnifeBook">
<property name="Extends" value="schematicMaster"/>
<property class="Action1">
<property name="Recipes_to_learn" value="huntingKnife,ulmKnifeSteel,ulmKnifeTitanium"/>
<!--
<property name="Skills_to_gain" value="craftSkillWeapons"/>
-->
</property>
The word "hunting" is not used in the steel and titanium knife name.