Materials is updated but something seems broken in RPD (simulation hangs when...

Materials is updated but something seems broken in RPD (simulation hangs when RPD included). appears further back than my changes today. most likely in ModTypeRPD

MonteCarlo/geometry.mac

@@ -20,7 +20,7 @@
 /Detector/ZDC/SteelAbsorberHeight 290. mm
 /Detector/ZDC/Optical false
 /Detector/ZDC/CheckOverlaps false
-/Detector/ZDC/ReducedTree false
+/Detector/ZDC/ReducedTree true
 /Detector/ZDC/HousingMaterial aluminum
 /Detector/ZDC/AbsorberMaterial pure
 
@@ -45,4 +45,4 @@
 /Detector/RPD/RPDtype panflute
 /Detector/RPD/Optical true
 /Detector/RPD/CheckOverlaps false
-/Detector/RPD/ReducedTree false
+/Detector/RPD/ReducedTree true