I have exact same problem. I am also using MAC. (10.13.6)
I also tried the latest nightly build (8646).
2018-10-13 23:30:52: [B:004] [XVM INFO]
XVM_VERSION=7.7.5-dev #8646 for WoT 1.2.0
gameRegion=EU
configVersion=6.1.0
autoReloadConfig=false
markers.enabled=false
servicesActive=true
xmqp=true
statBattle=true
2018-10-13 23:30:52: [B:005] [XFW] Mod loaded: xvm_battle_classic.swf
2018-10-13 23:31:00: [VM] initialized
2018-10-13 23:31:00: [VM] registered
2018-10-13 23:39:40: [X:000] Loading swf mods:
2018-10-13 23:39:40: [X:001] xvm_lobby/as_lobby/xvm_lobby.swf
2018-10-13 23:39:40: [L:002] onLibLoaded: ../../res_mods/mods/xfw_packages/xvm_lobby/as_lobby/xvm_lobby.swf
2018-10-13 23:39:40: [L:003] [XFW] Mod loaded: xvm_lobby.swf
2018-10-13 23:39:40: [L:004] onLibLoaded: gui/flash/battleResults.swf
2018-10-13 23:39:40: [L:005] onLibLoaded: gui/flash/TankCarousel.swf
2018-10-13 23:39:40: [L:006] onLibLoaded: gui/flash/nodesLib.swf
2018-10-13 23:39:40: [L:007] onLibLoaded: gui/flash/crew.swf
2018-10-13 23:39:40: [L:008] onLibLoaded: ../../res_mods/mods/xfw_packages/xvm_lobby/as_lobby/xvm_lobby_ui.swf
2018-10-13 23:39:50: [L:009] onLibLoaded: gui/flash/guiControlsLobbyBattleDynamic.swf
2018-10-13 23:39:50: [L:010] onLibLoaded: gui/flash/guiControlsLobbyDynamic.swf
2018-10-13 23:39:50: [L:011] onLibLoaded: gui/flash/popovers.swf
2018-10-13 23:39:50: [L:012] onLibLoaded: gui/flash/IconLibrary.swf
2018-10-13 23:39:50: [L:013] [XVM:LOBBY] processView: lobby
2018-10-13 23:39:52: [L:014] [XVM:LOBBY] processView: hangar
2018-10-13 23:39:52: [L:015] [XVM:LOBBY] processView: battleResults
2018-10-13 23:39:54: [L:016] TypeError: Error #1034: Type Coercion failed: cannot convert com.xvm.types.dossier::AccountDossier@338a3c60 to com.xvm.types.dossier::VehicleDossier.
at com.xvm::Dossier/getVehicleDossier()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_shared;com/xvm;Dossier.as:31]
at com.xvm.types.dossier::VehicleDossierCut/update()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_shared;com/xvm/types/dossier;VehicleDossierCut.as:53]
at com.xvm.types.dossier::VehicleDossierCut instance constructor()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_shared;com/xvm/types/dossier;VehicleDossierCut.as:22]
at com.xvm.types.dossier::AccountDossier/getVehicleDossierCut()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_shared;com/xvm/types/dossier;AccountDossier.as:64]
at com.xvm.lobby.ui.tankcarousel::TankCarouselItemRendererHelper/updateDataXvm()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_lobby_ui;com/xvm/lobby/ui/tankcarousel;TankCarouselItemRendererHelper.as:117]
at net.wg.gui.lobby.hangar.tcarousel::TankCarouselItemRenderer/updateData()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_lobby_ui;com/xvm/lobby/ui/tankcarousel;UI_TankCarouselItemRenderer.as:88]
at set scaleform.clik.controls::Button/data()
at set scaleform.clik.controls::Button/data()[/var/lib/jenkins/workspace/xvm_default-6VVDBJWQU4BI5DOIOXE2NT3DUPFLZQVJ2EHAAQHRHFSKLIGYD5UA/src/xvm/xvm_lobby_ui;com/xvm/lobby/ui/tankcarousel;UI_TankCarouselItemRenderer.as:73]
at net.wg.gui.components.carousels::ScrollerViewPort/getRenderer()
at net.wg.gui.components.carousels::ScrollerViewPort/updateActiveRenderer()
at scaleform.clik.core::UIComponent/draw()
at scaleform.clik.core::UIComponent/validateNow()
at scaleform.clik.core::UIComponent/draw()
at scaleform.clik.core::UIComponent/draw()
at scaleform.clik.core::UIComponent/draw()
at scaleform.clik.core::UIComponent/validateNow()
