CorePlayerAbilities.xml

lines 557-561

   <PlayerAbilityType InternalName="A_UnitStat_HitPoints">
        <DisplayName>Unit Hit Point Bonus</DisplayName>
        <Description>Provides a bonus to the hit points of all units.</Description>
        <Icon>Kingdom_Crest_02.png</Icon>
    </PlayerAbilityType>

lines 647-651

   <PlayerAbilityType InternalName="A_UnitStat_HitPoints">
        <DisplayName>Health Bonus</DisplayName>
        <Description>Provides a bonus to the hit points of all units.</Description>
        <Icon>Stat_HitPoints_Icon.png</Icon>
    </PlayerAbilityType>

I know that these collisions probably aren't particularly important, but they could create a memory leak, or make one wonder why the display name is different or an icon is different.