I missed the reported error.
Here the values are slightly different.
24/10/2014 10:30:45,992 Script Editor[398]: An uncaught exception was raised
24/10/2014 10:30:45,992 Script Editor[398]: [<SEPDictionaryDocument 0x608000345a10> valueForUndefinedKey:]: this class is not key value coding-compliant for the key contrôle de la navigation.
24/10/2014 10:30:45,997 Script Editor[398]: (
0 CoreFoundation 0x00007fff8a99564c __exceptionPreprocess + 172
1 libobjc.A.dylib 0x00007fff971d96de objc_exception_throw + 43
2 CoreFoundation 0x00007fff8a9951e9 -[NSException raise] + 9
3 Foundation 0x00007fff944165ed -[NSObject(NSKeyValueCoding) valueForUndefinedKey:] + 226
4 Foundation 0x00007fff94333e68 -[NSObject(NSKeyValueCoding) valueForKey:] + 385
5 DictionaryViewer 0x0000000110d0883c SetSegmentDescriptions + 6902
6 AppKit 0x00007fff8f745cab -[NSToolbar _newItemFromDelegateWithItemIdentifier:propertyListRepresentation:willBeInsertedIntoToolbar:] + 143
7 AppKit 0x00007fff8f744311 -[NSToolbar _newItemFromItemIdentifier:propertyListRepresentation:requireImmediateLoad:willBeInsertedIntoToolbar:] + 306
8 AppKit 0x00007fff8f7457e9 -[NSToolbar _loadAllPlaceholderItems] + 371
9 AppKit 0x00007fff8f744a0b -[NSToolbar _windowWillShowToolbar] + 114
10 AppKit 0x00007fff8f74490a -[NSWindow _showToolbar:animate:] + 142
11 AppKit 0x00007fff8fd4cfe4 -[NSToolbar _show:animate:] + 52
12 AppKit 0x00007fff8f7429fe -[NSWindow setToolbar:] + 612
13 DictionaryViewer 0x0000000110d07948 SetSegmentDescriptions + 3074
14 AppKit 0x00007fff8f8b3686 -[NSWindowController _windowDidLoad] + 665
15 AppKit 0x00007fff8f89a7f2 -[NSWindowController window] + 110
16 AppKit 0x00007fff8f89b971 -[NSWindowController showWindow:] + 36
17 AppKit 0x00007fff8f95fd5a -[NSDocument showWindows] + 93
18 AppKit 0x00007fff8fadb140 -[NSDocumentController(NSDeprecated) _openDocumentFileAt:display:] + 264
19 DictionaryViewer 0x0000000110d06c1e DictionaryViewer + 7198
20 libsystem_trace.dylib 0x00007fff8ee29cd7 _os_activity_initiate + 75
21 AppKit 0x00007fff8f8405e7 -[NSApplication sendAction:to:from:] + 410
22 AppKit 0x00007fff8f85a72a -[NSMenuItem _corePerformAction] + 382
23 AppKit 0x00007fff8f85a447 -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 114
24 libsystem_trace.dylib 0x00007fff8ee29cd7 _os_activity_initiate + 75
25 AppKit 0x00007fff8f8a7ce6 -[NSMenu performActionForItemAtIndex:] + 131
26 AppKit 0x00007fff8f8a7c56 -[NSMenu _internalPerformActionForItemAtIndex:] + 35
27 AppKit 0x00007fff8f8a7aa2 -[NSCarbonMenuImpl _carbonCommandProcessEvent:handlerCallRef:] + 107
28 AppKit 0x00007fff8f85003b NSSLMMenuEventHandler + 724
29 HIToolbox 0x00007fff888c032c _ZL23DispatchEventToHandlersP14EventTargetRecP14OpaqueEventRefP14HandlerCallRec + 1260
30 HIToolbox 0x00007fff888bf76e _ZL30SendEventToEventTargetInternalP14OpaqueEventRefP20OpaqueEventTargetRefP14HandlerCallRec + 386
31 HIToolbox 0x00007fff888d4286 SendEventToEventTarget + 40
32 HIToolbox 0x00007fff88909795 _ZL18SendHICommandEventjPK9HICommandjjhPKvP20OpaqueEventTargetRefS5_PP14OpaqueEventRef + 428
33 HIToolbox 0x00007fff8893ce8d SendMenuCommandWithContextAndModifiers + 59
34 HIToolbox 0x00007fff8893ce34 SendMenuItemSelectedEvent + 188
35 HIToolbox 0x00007fff8893cd06 _ZL19FinishMenuSelectionP13SelectionDataP10MenuResultS2_ + 96
36 HIToolbox 0x00007fff889448b1 _ZL14MenuSelectCoreP8MenuData5PointdjPP13OpaqueMenuRefPt + 702
37 HIToolbox 0x00007fff8894449e _HandleMenuSelection2 + 446
38 AppKit 0x00007fff8f7d5e6e _NSHandleCarbonMenuEvent + 277
39 AppKit 0x00007fff8f671b90 _DPSNextEvent + 1843
40 AppKit 0x00007fff8f670fd0 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194
41 AppKit 0x00007fff8f664f73 -[NSApplication run] + 594
42 AppKit 0x00007fff8f650424 NSApplicationMain + 1832
43 libdyld.dylib 0x00007fff93b395c9 start + 1
44 ??? 0x0000000000000001 0x0 + 1
)
Now, it's clear, I must file a report.