XML error: Duplicate XML node name drawOffsetSouth in this XML block: <graphicData><texPath>LTSFurnishing/StoneArch</texPath><drawSize>(2.6,2.0)</drawSize><drawOffset>(0,0,0.0)</drawOffset><drawOffsetNorth>(0,0,0.3)</drawOffsetNorth><drawOffsetSouth>(0,0,0.3)</drawOffsetSouth><drawOffsetEast>(0,0,0.1)</drawOffsetEast><drawOffsetSouth>(-0.05,0,0.3)</drawOffsetSouth><drawOffsetWest>(0,0,0.1)</drawOffsetWest></graphicData>

Root node: <ThingDef ParentName="LTS_ArchBase"><defName>LTS_LargeArchStone</defName><label>large arch</label><graphicData><texPath>LTSFurnishing/StoneArch</texPath><drawSize>(2.6,2.0)</drawSize><drawOffset>(0,0,0.0)</drawOffset><drawOffsetNorth>(0,0,0.3)</drawOffsetNorth><drawOffsetSouth>(0,0,0.3)</drawOffsetSouth><drawOffsetEast>(0,0,0.1)</drawOffsetEast><drawOffsetSouth>(-0.05,0,0.3)</drawOffsetSouth><drawOffsetWest>(0,0,0.1)</drawOffsetWest></graphicData><uiIconPath>Frames/StoneArch_north</uiIconPath><costStuffCount>45</costStuffCount><statBases><MaxHitPoints>150</MaxHitPoints><WorkToBuild>500</WorkToBuild></statBases><stuffCategories><li>Stony</li></stuffCategories><size>(2,1)</size><researchPrerequisites><li>Stonecutting</li></researchPrerequisites></ThingDef>

[omitted stacktrace]