The complete error is:
AABBTree.h(3051): [C4499] 'static': an explicit specialization cannot have a storage class (ignored)
ISpatialAcceleration.h(346): [C4499] see reference to class template instantiation 'Chaos::TAABBTree<Chaos::FAccelerationStructureHandle,Chaos::TAABBTreeLeafArray<Chaos::FAccelerationStructureHandle,true,Chaos::FReal>,true,Chaos::FReal>' being compiled
SpatialAccelerationBroadPhase.h(114): [C4499] see reference to function template instantiation 'const TConcrete *Chaos::ISpatialAcceleration<Chaos::FAccelerationStructureHandle,Chaos::FReal,3>::As<Chaos::TAABBTree<Chaos::FAccelerationStructureHandle,Chaos::TAABBTreeLeafArray<Chaos::FAccelerationStructureHandle,true,Chaos::FReal>,true,Chaos::FReal>>(void) const' being compiled
SpatialAccelerationBroadPhase.h(114): [C4499] see reference to function template instantiation 'const TConcrete *Chaos::ISpatialAcceleration<Chaos::FAccelerationStructureHandle,Chaos::FReal,3>::As<Chaos::TAABBTree<Chaos::FAccelerationStructureHandle,Chaos::TAABBTreeLeafArray<Chaos::FAccelerationStructureHandle,true,Chaos::FReal>,true,Chaos::FReal>>(void) const' being compiled
AABBTree.h(3063): [C4499] 'static': an explicit specialization cannot have a storage class (ignored)
AABBTree.h(3069): [C4499] 'static': an explicit specialization cannot have a storage class (ignored)