Distance field initialization order?

Unreal Engine, explain yourself! How can you allocate 512x512x1024 to that which should be 4096x4096x1024 (line 9 contradicts line 11)?

(etc...)
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh:Error: Failed to allocate 8x8x8 in distance field atlas
LogStaticMesh: Allocated Allocated 512x512x1024 distance field atlas = 512.0Mb
Cmd: r.DistanceFields.AtlasSizeXY
r.DistanceFields.AtlasSizeXY = "4096"      LastSetBy: ConsoleVariablesIni