After I first got this error, I ran verify files and validate files but I continue to get this error.

C:\Users\pandr\OneDrive\Documents\My Games\GalCiv4\Mods\OS Graphics Mod V1p1\Data\Core\GraphicsDefs.xml(1285,18): error: 

element 'InvasionViewerTurnDuration' is not allowed for content model '(InternalName,GelUISaturation,GelUIBrightness,SelectionCursorRotationSpeedLayer0,SelectionCursorRotationSpeedLayer1,SelectionCursorRotationSpeedLayer2,SelectionCursorRotationSpeedLayer3,SelectionCursorFadeTime,SelectionCursorFadeSize,GridAlphaDefault,GridAlphaSector,GridIntensity,DefaultStarboxDef,ShipDesignStarboxDef,DefaultCameraView0,DefaultCameraView1,DefaultCameraView2,DefaultCameraView3,DefaultCameraView4,DefaultCameraMinTilt,DefaultCameraMaxTilt,MainMapCameraNearestZoom,MainMapCameraMaxZoomWithoutTech,MainMapCameraFullZoomFlag,MainMapCameraNearest,MainMapCameraNear,MainMapCameraFar,MainMapGalaxyViewCameraHeight,MainMapGalaxyViewCameraFadeSize,MainMapGalaxyViewClusterMaxHeight,MainMapGalaxyViewClusterFadeSize,MainMapGalaxyViewBackgroundColor,MainMapGalaxySwirlData+,MainMapGalaxySwirlOffset?,MainMapGalaxySwirlOffsetSize?,MainMapGalaxySwirlScaleMod?,MainMapHUDCameraHeight,MainMapPlanetHUDLargeDist,MainMapPlanetHUDSmallDist,MainMapPlanetHUDTinyDist,MainMapPlanetHUDCullDist,MainMapPlanetHUDWidth,MainMapPlanetHUDHeight,TiltOnZoomMinZoom,TiltOnZoomMaxZoom,TiltOnZoomMinTilt,TiltOnZoomMaxTilt,DefaultObjectViewRotationX,ShipyardObjectViewRotationX,ShipyardObjectViewRotationZ,ShipyardObjectViewOffsetX,ShipyardObjectViewOffsetY,ShipyardObjectViewCameraVertOffset,ShipDesignObjectViewRotationX,ShipDesignObjectViewRotationZ,ShipDesignObjectViewOffsetX,ShipDesignObjectViewOffsetY,ShipStyleObjectViewRotationX,ShipStyleObjectViewRotationZ,ShipStyleObjectViewOffsetX,ShipStyleObjectViewOffsetY,ObjectViewDistanceMod,ObjectViewBoundBoxBuffer,FleetDetailsViewRotationX,FleetDetailsViewDistanceMod,FleetDetailsViewBoundBoxBuffer,FleetDetailsViewCenteringMod,FleetDetailsViewMinZoom,FleetDetailsViewMaxZoom,PlanetDetailsPlanetAnimationSpeed,PlanetDetailsViewDistanceMod,PlanetDetailsPanMod,PlanetDetailsHologramColor,PlanetDetailsHologramColorBlend,PlanetDetailsHologramTextureScale,PlanetDetailsHologramTextureVerticalSpeed,PlanetDetailsHologramTextureIntensity,Plane