Bookends diagnostic

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                   Diagnostic Information
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Error message: error The path passed into new FolderItem was invalid

Trace:

XojoFramework$9383
FolderItemPathCtor
FolderItem.Constructor%%o<FolderItem>si4
GlobalStuff.getCustomFolderLocation%o<FolderItem>%
GlobalStuff.getCustomFormatFolder%o<FolderItem>%
FormatPopupClass.populateFormatPopupMenu%%o<FormatPopupClass>sb
Preferences.Preferences.citeByPopup_Open%%o<Preferences.Preferences>o<FormatPopupClass>
Delegate.IM_Invoke%%o<FormatPopupClass>
AddHandler.Stub.2%%
FireWindowOpenEvents
Window.Constructor%%o<Window>
Preferences.Preferences%o<Preferences.Preferences>%
App._EditPreferences_Action%b%o<App>
XojoFramework$6413
XojoFramework$891
XojoFramework$899
-[NSObject performSelector:withObject:]
__36-[NSApplication sendAction:to:from:]_block_invoke
_os_activity_initiate
-[NSApplication sendAction:to:from:]
-[NSMenuItem _corePerformAction]
-[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:]
-[NSMenu _performActionWithHighlightingForItemAtIndex:sendAccessibilityNotification:]
-[NSMenu _performActionWithHighlightingForItemAtIndex:]
__31-[NSMenu performKeyEquivalent:]_block_invoke
_os_activity_initiate
-[NSMenu performKeyEquivalent:]
-[NSApplication _handleKeyEquivalent:]
-[NSApplication sendEvent:]
XojoFramework$1272
XojoFramework$1273
Delegate.Invoke%%
Application._CallFunctionWithExceptionHandling%%o<Application>p
XojoFramework$9784
XojoFramework$1272
-[NSApplication run]
XojoFramework$9786
RuntimeRun
_Main
main
start