Subject pretty much says it all. Stack here -

Error: Missing snapshot: Chronology-Core-pre.9 7 March 2018 11:28:02.37292 am

VM: unix - Smalltalk Image: Squeak6.0alpha [latest update: #17785]

SecurityManager state: Restricted: false FileAccess: true SocketAccess: true Working Dir /home/pi/Squeak Trusted Dir /home/pi/Squeak/secure Untrusted Dir /home/pi/Squeak/My Squeak

MCDiffyVersion>>baseSnapshot Receiver: a MCDiffyVersion(Chronology-Core-mt.11) Arguments and temporary variables: baseVersion: nil Receiver's instance variables: package: a MCPackage(Chronology-Core) info: a MCVersionInfo(Chronology-Core-mt.11) snapshot: nil dependencies: #() base: a MCVersionInfo(Chronology-Core-pre.9) patch: a MCPatch

MCDiffyVersion>>snapshot Receiver: a MCDiffyVersion(Chronology-Core-mt.11) Arguments and temporary variables:

Receiver's instance variables: package: a MCPackage(Chronology-Core) info: a MCVersionInfo(Chronology-Core-mt.11) snapshot: nil dependencies: #() base: a MCVersionInfo(Chronology-Core-pre.9) patch: a MCPatch

MCWorkingCopy>>findSnapshotWithVersionInfo: Receiver: a MCWorkingCopy(Chronology-Core) Arguments and temporary variables: aVersionInfo: a MCVersionInfo(Chronology-Core-mt.11) aVersion: a MCDiffyVersion(Chronology-Core-mt.11) Receiver's instance variables: package: a MCPackage(Chronology-Core) modified: false versionInfo: nil ancestry: a MCWorkingAncestry counter: nil repositoryGroup: a MCRepositoryGroup requiredPackages: an OrderedCollection() environment: nil

MCWorkingCopy>>checkModified Receiver: a MCWorkingCopy(Chronology-Core) Arguments and temporary variables: cleanSnapshot: nil currentSnapshot: nil modification: nil Receiver's instance variables: package: a MCPackage(Chronology-Core) modified: false versionInfo: nil ancestry: a MCWorkingAncestry counter: nil repositoryGroup: a MCRepositoryGroup requiredPackages: an OrderedCollection() environment: nil

[] in MCWorkingCopy class>>checkModified: Receiver: MCWorkingCopy Arguments and temporary variables: <<error during printing> Receiver's instance variables: superclass: MCPackageManager methodDict: a MethodDictionary(#adopt:->(MCWorkingCopy>>#adopt: "a CompiledMethod...etc... format: 65544 instanceVariables: #('versionInfo' 'ancestry' 'counter' 'repositoryGroup' 'requ...etc... organization: ('accessing' ancestors ancestry clearRequiredPackages currentVersionInfo...etc... subclasses: nil name: #MCWorkingCopy classPool: nil sharedPools: nil environment: Smalltalk category: #'Monticello-Versioning' registry: a Dictionary(a MCPackage(39Deprecated)->a MCWorkingCopy(39Deprecated)...etc...

[] in [] in Array(Collection)>>do:displayingProgress:every: Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... Arguments and temporary variables: <<error during printing> Receiver's instance variables: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... Array(SequenceableCollection)>>do: Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... Arguments and temporary variables: aBlock: [closure] in [] in Array(Collection)>>do:displayingProgress:every: index: 67 indexLimiT: 88 Receiver's instance variables: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... [] in Array(Collection)>>do:displayingProgress:every: Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... Arguments and temporary variables: <<error during printing> Receiver's instance variables: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc... [] in [] in MorphicUIManager>>displayProgress:at:from:to:during: Receiver: a MorphicUIManager Arguments and temporary variables: <<error during printing> Receiver's instance variables: builderClass: MorphicToolBuilder

BlockClosure>>on:do: Receiver: [closure] in [] in MorphicUIManager>>displayProgress:at:from:to:during: Arguments and temporary variables: exceptionOrExceptionSet: ProgressNotification handlerAction: [closure] in [] in MorphicUIManager>>displayProgress:at:from:to:during:...etc... handlerActive: true Receiver's instance variables: outerContext: [] in MorphicUIManager>>displayProgress:at:from:to:during: startpc: 86 numArgs: 0

[] in MorphicUIManager>>displayProgress:at:from:to:during: Receiver: a MorphicUIManager Arguments and temporary variables: <<error during printing> Receiver's instance variables: builderClass: MorphicToolBuilder

BlockClosure>>ensure: Receiver: [closure] in MorphicUIManager>>displayProgress:at:from:to:during: Arguments and temporary variables: aBlock: [closure] in MorphicUIManager>>displayProgress:at:from:to:during: complete: nil returnValue: nil Receiver's instance variables: outerContext: MorphicUIManager>>displayProgress:at:from:to:during: startpc: 79 numArgs: 0

MorphicUIManager>>displayProgress:at:from:to:during: Receiver: a MorphicUIManager Arguments and temporary variables: titleString: '' aPoint: 960@508 minVal: 0 maxVal: 88 workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: progress: [closure] in SystemProgressMorph>>position:label:min:max: result: #(nil) Receiver's instance variables: builderClass: MorphicToolBuilder

ProgressInitiationException>>defaultResumeValue Receiver: ProgressInitiationException: Arguments and temporary variables:

Receiver's instance variables: messageText: nil tag: nil signalContext: ProgressInitiationException(Exception)>>signal handlerContext: nil outerContext: nil workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: maxVal: 88 minVal: 0 aPoint: 960@508 progressTitle: ''

ProgressInitiationException(Exception)>>resume Receiver: ProgressInitiationException: Arguments and temporary variables:

Receiver's instance variables: messageText: nil tag: nil signalContext: ProgressInitiationException(Exception)>>signal handlerContext: nil outerContext: nil workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: maxVal: 88 minVal: 0 aPoint: 960@508 progressTitle: ''

ProgressInitiationException>>defaultAction Receiver: ProgressInitiationException: Arguments and temporary variables:

Receiver's instance variables: messageText: nil tag: nil signalContext: ProgressInitiationException(Exception)>>signal handlerContext: nil outerContext: nil workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: maxVal: 88 minVal: 0 aPoint: 960@508 progressTitle: ''

UndefinedObject>>handleSignal: Receiver: nil Arguments and temporary variables: exception: ProgressInitiationException: Receiver's instance variables: nil ProgressInitiationException(Exception)>>signal Receiver: ProgressInitiationException: Arguments and temporary variables:

Receiver's instance variables: messageText: nil tag: nil signalContext: ProgressInitiationException(Exception)>>signal handlerContext: nil outerContext: nil workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: maxVal: 88 minVal: 0 aPoint: 960@508 progressTitle: ''

ProgressInitiationException>>display:at:from:to:during: Receiver: ProgressInitiationException: Arguments and temporary variables: argString: '' argPoint: 960@508 argMinVal: 0 argMaxVal: 88 argWorkBlock: [closure] in Array(Collection)>>do:displayingProgress:every: Receiver's instance variables: messageText: nil tag: nil signalContext: ProgressInitiationException(Exception)>>signal handlerContext: nil outerContext: nil workBlock: [closure] in Array(Collection)>>do:displayingProgress:every: maxVal: 88 minVal: 0 aPoint: 960@508 progressTitle: ''

--- The full stack --- MCDiffyVersion>>baseSnapshot MCDiffyVersion>>snapshot MCWorkingCopy>>findSnapshotWithVersionInfo: MCWorkingCopy>>checkModified [] in MCWorkingCopy class>>checkModified: [] in [] in Array(Collection)>>do:displayingProgress:every: Array(SequenceableCollection)>>do: [] in Array(Collection)>>do:displayingProgress:every: [] in [] in MorphicUIManager>>displayProgress:at:from:to:during: BlockClosure>>on:do: [] in MorphicUIManager>>displayProgress:at:from:to:during: BlockClosure>>ensure: MorphicUIManager>>displayProgress:at:from:to:during: ProgressInitiationException>>defaultResumeValue ProgressInitiationException(Exception)>>resume ProgressInitiationException>>defaultAction UndefinedObject>>handleSignal: ProgressInitiationException(Exception)>>signal ProgressInitiationException>>display:at:from:to:during: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ProgressInitiationException class>>display:at:from:to:during: ByteString(String)>>displayProgressAt:from:to:during: ByteString(String)>>displayProgressFrom:to:during: Array(Collection)>>do:displayingProgress:every: Array(Collection)>>do:displayingProgress: MCWorkingCopy class>>checkModified: MCWorkingCopyBrowser>>checkAllPackages MCWorkingCopyBrowser(MCTool)>>perform:orSendTo: [] in MenuItemMorph>>invokeWithEvent: BlockClosure>>ensure: CursorWithMask(Cursor)>>showWhile: MenuItemMorph>>invokeWithEvent: MenuItemMorph>>mouseUp: MenuItemMorph>>handleMouseUp: MouseButtonEvent>>sentTo: MenuItemMorph(Morph)>>handleEvent: MorphicEventDispatcher>>dispatchEvent:withHandler:withMorph: MorphicEventDispatcher>>dispatchDefault:with: MorphicEventDispatcher>>dispatchEvent:with: MenuItemMorph(Morph)>>processEvent:using: [] in MorphicEventDispatcher>>dispatchEvent:toSubmorphsOf: Array(SequenceableCollection)>>do: MenuMorph(Morph)>>submorphsDo: MorphicEventDispatcher>>dispatchEvent:toSubmorphsOf: MorphicEventDispatcher>>dispatchEvent:withHandler:withMorph: MorphicEventDispatcher>>dispatchDefault:with: MorphicEventDispatcher>>dispatchEvent:with: MenuMorph(Morph)>>processEvent:using: MorphicEventDispatcher>>doProcessingForFocusEvent:with: MorphicEventDispatcher>>dispatchFocusEventFully:with: MenuMorph>>processFocusEvent:using: MenuMorph(Morph)>>processFocusEvent: [] in [] in [] in HandMorph>>sendFocusEvent:to:clear: BlockClosure>>ensure: MouseButtonEvent(MorphicEvent)>>becomeActiveDuring: [] in [] in HandMorph>>sendFocusEvent:to:clear: BlockClosure>>ensure: HandMorph>>becomeActiveDuring: [] in HandMorph>>sendFocusEvent:to:clear: BlockClosure>>ensure: PasteUpMorph>>becomeActiveDuring: HandMorph>>sendFocusEvent:to:clear: -- and more not shown --

tim -- tim Rowledge; tim@rowledge.org; http://www.rowledge.org/tim Strange OpCodes: EFB: Emulate Five-volt Battery mode