The current list of allowed and excluded shader types supplied to the ShouldCache function by FLandscapeMaterialResource includes entries shared in both lists and one entry with trailing whitespace, making it invalid. This includes:
- TBasePassVSFSimpleStationaryLightVolumetricLightmapShadowsLightingPolicy
- TBasePassPSFSimpleStationaryLightSingleSampleShadowsLightingPolicy
- TBasePassPSFSimpleStationaryLightSingleSampleShadowsLightingPolicySkylight
- TBasePassVSFSimpleStationaryLightSingleSampleShadowsLightingPolicy
- TBasePassPSFSimpleStationaryLightPrecomputedShadowsLightingPolicy
- TBasePassVSFSimpleStationaryLightPrecomputedShadowsLightingPolicy
- TBasePassPSFSimpleLightmapOnlyLightingPolicy
- TBasePassPSFSimpleLightmapOnlyLightingPolicySkylight
- TBasePassVSFSimpleLightmapOnlyLightingPolicy
- TBasePassPSFCachedPointIndirectLightingPolicySkylight
TBasePassPSFSimpleStationaryLightPrecomputedShadowsLightingPolicySkylight is the invalid entry.