[MessageNotUnderstood]: UndefinedObject does not understand: #asFilename in process SettingsDialog [8]

UndefinedObject(Object) >> doesNotUnderstand: Message(#asFilename) {6057984} [16]
UndefinedObject(**NONE**) >> asFilename {6062080} [9]
HGCommand::showconfig class(HGCommand class) >> hgCommandValidate: nil {6066176} [9]
HGCommand::showconfig class(HGCommand class) >> hgExecutable  {6070272} [22]
HGCommand::showconfig(HGCommand) >> executable {6074368} [2]
HGCommand::showconfig(HGCommand) >> execute  {6078464} [19]
HGConfig >> root  {6082560} [9]
HGConfig >> get:default: #(#ui #username) nil {6086656} [2]
HGConfig >> ui_username {6090752} [2]
HGSourceCodeManagementSettingsAppl >> doCheckUsername  {6094848} [8]
HGSourceCodeManagementSettingsAppl >> doCheckSettings {6098944} [4]
HGSourceCodeManagementSettingsAppl(Object) >> perform: #doCheckSettings {6103040} [32]
InterestConverter >> update:with:from: #value false ValueHolder(false) {6107136} [4]
[] in Object>>changed:with: >> value: InterestConverter(sending #doCheckSettings to a HGSourceCodeManagementSettingsAppl) {6111232} [7]
IdentitySet(Set) >> do: [] in Object>>changed:with: {6115328} [17]
ValueHolder(Model) >> dependentsDo: [] in Object>>changed:with: {6119424} [12]
ValueHolder(Object) >> changed:with: #value false {6123520} [6]
ValueHolder(ValueModel) >> value: false {6127616} [15]
HGSourceCodeManagementSettingsAppl >> basicReadSettings  {6131712} [2]
HGSourceCodeManagementSettingsAppl(AbstractSettingsApplication) >> readSettings {6135808} [2]
[] in SettingsDialog>>selectionChanged >> value {6139904} [78]
[] in WindowGroup>>withCursor:do: >> value {6144000} [32]
Block >> ensure: [] in WindowGroup>>withCursor:do: {6148096} [12]
WindowGroup >> withCursor:do: Cursor(wait) [] in SettingsDialog>>selectionChanged {6152192} [37]
ApplicationWindow(TopView) >> withCursor:do: Cursor(wait) [] in SettingsDialog>>selectionChanged {6156288} [6]
SettingsDialog(ApplicationModel) >> withCursor:do: Cursor(wait) [] in SettingsDialog>>selectionChanged {6160384} [9]
SettingsDialog(ApplicationModel) >> withWaitCursorDo: [] in SettingsDialog>>selectionChanged {6164480} [5]
SettingsDialog >> selectionChanged  {6168576} [76]
SettingsDialog >> update:with:from: #value a SettingsDialog::HierarchicalApplicationList::ApplicationItem [Mercurial+] ValueHolder(a SettingsDialog::HierarchicalApplicationList::ApplicationItem [Mercurial+]) {6172672} [6]
[] in Object>>changed:with: >> value: a SettingsDialog {6176768} [7]
ValueHolder(Model) >> dependentsDo: [] in Object>>changed:with: {6180864} [15]
ValueHolder(Object) >> changed:with: #value a SettingsDialog::HierarchicalApplicationList::ApplicationItem [Mercurial+] {6184960} [6]
ValueHolder(ValueModel) >> value: a SettingsDialog::HierarchicalApplicationList::ApplicationItem [Mercurial+] {6189056} [15]
HierarchicalListView(View) >> sendChangeMessage:with: #value: a SettingsDialog::HierarchicalApplicationList::ApplicationItem [Mercurial+] {6193152} [45]
HierarchicalListView(SelectionInListModelView) >> selectionChanged  {6197248} [20]
HierarchicalListView(SelectionInListModelView) >> buttonPressOrReleaseAtLine:x:y: 12 88 290 {6201344} [21]
HierarchicalListView >> buttonPressOrReleaseAtLine:x:y: 12 88 290 {6205440} [7]
HierarchicalListView(SelectionInListModelView) >> buttonPress:x:y: 1 88 290 {6209536} [116]
HierarchicalListView >> buttonPress:x:y: 1 88 290 {6213632} [56]
HierarchicalListView(Object) >> perform:withArguments: #buttonPress:x:y: #(1 88 290) {6217728} [169]
HierarchicalListView(DisplaySurface) >> dispatchEvent:type:arguments:withFocusOn:delegate: WindowEvent::ButtonPressEvent(#buttonPress:x:y: view: HierarchicalListView args: #(1 88 290)) #buttonPress:x:y: #(1 88 290) a HierarchicalListView true {6221824} [236]
HierarchicalListView(DisplaySurface) >> dispatchEvent:withFocusOn:delegate: WindowEvent::ButtonPressEvent(#buttonPress:x:y: view: HierarchicalListView args: #(1 88 290)) a HierarchicalListView true {6225920} [5]
[] in WindowGroup>>processEventsWithModalGroup: >> value  {6230016} [231]
WindowGroup::LastEventQuery class(GenericException class) >> handle:do: [] in WindowGroup>>processEventsWithModalGroup: [] in WindowGroup>>processEventsWithModalGroup: {6234112} [14]
[] in WindowGroup>>processEventsWithModalGroup: >> value  {6238208} [17]
Block >> ensure: [] in WindowGroup>>processEventsWithModalGroup: {6242304} [12]
WindowGroup >> processEventsWithModalGroup: nil {6246400} [243]
[] in WindowGroup>>eventLoopWhile:onLeave: >> value  {6250496} [162]
SignalSet >> handle:do: [] in WindowGroup>>eventLoopWhile:onLeave: [] in WindowGroup>>eventLoopWhile:onLeave: {6254592} [14]
[] in WindowGroup>>eventLoopWhile:onLeave: >> value  {6258688} [85]
Block >> ensure: [] in WindowGroup>>startupWith: (optimized) {6262784} [12]
WindowGroup >> eventLoopWhile:onLeave: [] in WindowGroup>>startupWith: (optimized) [] in WindowGroup>>startupWith: (optimized) {6266880} [194]
[] in WindowGroup>>startupWith: >> value {6270976} [28]
Block >> ensure: [] in WindowGroup>>startupWith: {6275072} [12]
[] in WindowGroup>>startupWith: >> value  {6279168} [29]
WindowGroup::WindowGroupQuery class(Notification class) >> answer:do: WindowGroup(SettingsDialog) [] in WindowGroup>>startupWith: {6283264} [10]
[] in WindowGroup>>startupWith: >> value {6287360} [23]
ExceptionHandlerSet >> handleDo: [] in WindowGroup>>startupWith: {6291456} [14]
[] in Process>>start >> value {6295552} [35]
SignalSet >> handle:do: [] in Process>>start [] in Process>>start {6299648} [14]
[] in Process>>start >> value  {6303744} [23]
Block >> ensure: [] in Process>>start {6307840} [12]
Process >> start  {6311936} [37]
UndefinedObject >> nil  {6316032} [0]