Cannot bake textures with .egg exporter

[bkeys]

I try to export a 3D model with YABEE and I select "Bake" for the texture processing, the export breaks and the following is outputted in the console

Read new prefs: /home/bkeys/.config/blender/2.78/config/userpref.blend
BlenderExporter directory  blenderExporter
Bam-Exporter: Loading Exporter ..
Bam-Exporter: Loading PBS ..
Bam-Exporter: Loading PBSEngine ..
read blend: /home/bkeys/Devel/Media/Porsche919HybridDLC/Porsche919HybridDLC_bake.blend
read blend: /home/bkeys/Devel/Media/assets-dmux/chassis/Porsche/Porsche919HybridDLC.blend
Objects for export: ['data']
WRITE main EGG to /home/bkeys/Devel/Media/Porsche919HybridDLC.egg
ID user decrement error: MAVehicle_Exterior_.002 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.002 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.002 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.010 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.010 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.011 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.012 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.012 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.013 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.013 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.013 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.014 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.015 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.015 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.016 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_.016 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_b.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_b.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_b.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_c.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_c.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_c.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_c.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_l.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_l.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_s.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_s.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_s.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_s.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Exterior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.003 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.004 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.004 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.005 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.005 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.005 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_.005 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_e.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_i.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_i.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_i.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_s.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: MAVehicle_Interior_mm_w.001 (from '[Main]'): 0 <= 0
ID user decrement error: ME919DL.001 (from '[Main]'): 0 <= 0
ID user decrement error: ME919DR.001 (from '[Main]'): 0 <= 0
ID user decrement error: ME919int.001 (from '[Main]'): 0 <= 0
ID user decrement error: ME919SW.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_D.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_D.006 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_D.007 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_D.008 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_D.009 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_LEFT_DAMAG.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_RIGHT_.003 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_RIGHT_.004 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_RIGHT_.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_DOOR_RIGHT_DAMA.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_FRONTBUMPER.000 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_FRONTBUMPER.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_FRONTBUMPER.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_FRONTBUMPER_DAM.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_HEADLIGHT_L.000 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_HEADLIGHT_L.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_HEADLIGHT_L.006 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_HEADLIGHT_L.007 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_DOOR_LEFT_m.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_DOOR_RI.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_GLASS_C.003 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_GLASS_C.004 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_GLASS_C.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_INT_GLASS_CRACK.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_REARBUMPER_.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_REARBUMPER_DAMA.001 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_TAILLIGHT_L.000 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_TAILLIGHT_L.005 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_TAILLIGHT_L.006 (from '[Main]'): 0 <= 0
ID user decrement error: MELOD_A_TAILLIGHT_L.007 (from '[Main]'): 0 <= 0
ID user decrement error: MEP919H.002 (from '[Main]'): 0 <= 0
ID user decrement error: MEP919H.003 (from '[Main]'): 0 <= 0

I am unsure if I am doing anything wrong or if there is a bug in YABEE.