Error: setObjectForKey: object cannot be nil (key: NSFont)

Can you help me? I got so much projects but cant work on it…

When I want to add a note to an action, I got this error message:

*** setObjectForKey: object cannot be nil (key: NSFont)

ON: 10.9.5 MAC

Info:

2015-02-16 11:53:26.317 CET OmniFocus: CoreText CopyFontsForRequest received mig IPC error (FFFFFFFFFFFFFECC) from font server
2015-02-16 11:53:26.317 CET OmniFocus: CoreText CopyFontsForRequest received mig IPC error (FFFFFFFFFFFFFECC) from font server
2015-02-16 11:53:26.365 CET OmniFocus: CoreText CopyFontsForRequest received mig IPC error (FFFFFFFFFFFFFECC) from font server
2015-02-16 11:53:26.365 CET OmniFocus: CoreText CopyFontsForRequest received mig IPC error (FFFFFFFFFFFFFECC) from font server
2015-02-16 11:53:27.308 CET OmniFocus: Warning: Sandboxed app can’t access address book without proper entitlements.
2015-02-16 11:53:32.504 CET OmniFocus: SecTrustEvaluate -> Trust result = 4 (Unspecified)
title=Appcast Feed 2015
title=Omni Group CA
2015-02-16 11:53:36.877 CET OmniFocus: Exception raised:

Mask: 0x100
Name: NSInvalidArgumentException
Reason: *** setObjectForKey: object cannot be nil (key: NSFont)
Stack Trace:
0x7fff8699aaee – 0 ExceptionHandling 0x00007fff8699aaee NSExceptionHandlerExceptionRaiser + 172
0x7fff8219ae75 – 1 libobjc.A.dylib 0x00007fff8219ae75 objc_exception_throw + 43
0x7fff8932b22e – 2 CoreFoundation 0x00007fff8932b22e -[__NSDictionaryM setObject:forKey:] + 1102
0x1086c9f10 – 3 OmniStyle 0x00000001086c9f10 OSQuickLookURL + 44816
0x10868315a – 4 OmniStyle 0x000000010868315a OAFontDescriptorIsInterestedInStyleAttributeKey + 13770
0x108682f61 – 5 OmniStyle 0x0000000108682f61 OAFontDescriptorIsInterestedInStyleAttributeKey + 13265
0x1086ca960 – 6 OmniStyle 0x00000001086ca960 OSQuickLookURL + 47456
0x1086c9b06 – 7 OmniStyle 0x00000001086c9b06 OSQuickLookURL + 43782
0x1086ca9c4 – 8 OmniStyle 0x00000001086ca9c4 OSQuickLookURL + 47556
0x10869743a – 9 OmniStyle 0x000000010869743a keyEquivalentForVirtualKeyCode + 2138
0x10869cc00 – 10 OmniStyle 0x000000010869cc00 keyEquivalentForVirtualKeyCode + 24608
0x1086a0e52 – 11 OmniStyle 0x00000001086a0e52 keyEquivalentForVirtualKeyCode + 41586
0x7fff893fee0c – 12 CoreFoundation 0x00007fff893fee0c CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER + 12
0x7fff892f282d – 13 CoreFoundation 0x00007fff892f282d _CFXNotificationPost + 2893
0x7fff85283d2d – 14 Foundation 0x00007fff85283d2d postQueueNotifications + 742
0x7fff89360d67 – 15 CoreFoundation 0x00007fff89360d67 CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION + 23
0x7fff89360cd7 – 16 CoreFoundation 0x00007fff89360cd7 __CFRunLoopDoObservers + 391
0x7fff89352493 – 17 CoreFoundation 0x00007fff89352493 __CFRunLoopRun + 995
0x7fff89351e75 – 18 CoreFoundation 0x00007fff89351e75 CFRunLoopRunSpecific + 309
0x7fff8b270a0d – 19 HIToolbox 0x00007fff8b270a0d RunCurrentEventLoopInMode + 226
0x7fff8b2707b7 – 20 HIToolbox 0x00007fff8b2707b7 ReceiveNextEventCommon + 479
0x7fff8b2705bc – 21 HIToolbox 0x00007fff8b2705bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
0x7fff8306224e – 22 AppKit 0x00007fff8306224e _DPSNextEvent + 1434
0x7fff8306189b – 23 AppKit 0x00007fff8306189b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
0x7fff8305599c – 24 AppKit 0x00007fff8305599c -[NSApplication run] + 553
0x108306b8f – 25 OmniAppKit 0x0000000108306b8f OmniAppKit + 15247
0x7fff83040783 – 26 AppKit 0x00007fff83040783 NSApplicationMain + 940
0x107e946be – 27 OmniFocus 0x0000000107e946be OmniFocus + 9918
0x7fff8e1355fd – 28 libdyld.dylib 0x00007fff8e1355fd start + 1
0x1 – 29 ??? 0x0000000000000001 0x0 + 1


2015-02-16 11:53:36.879 CET OmniFocus: Crashing with report:
Exception raised:

Mask: 0x00000001
Name: NSInvalidArgumentException
Reason: *** setObjectForKey: object cannot be nil (key: NSFont)
Info:
{
NSStackTraceKey = “0x7fff8699aaee 0x7fff8219ae75 0x7fff8932b22e 0x1086c9f10 0x10868315a 0x108682f61 0x1086ca960 0x1086c9b06 0x1086ca9c4 0x10869743a 0x10869cc00 0x1086a0e52 0x7fff893fee0c 0x7fff892f282d 0x7fff85283d2d 0x7fff89360d67 0x7fff89360cd7 0x7fff89352493 0x7fff89351e75 0x7fff8b270a0d 0x7fff8b2707b7 0x7fff8b2705bc 0x7fff8306224e 0x7fff8306189b 0x7fff8305599c 0x108306b8f 0x7fff83040783 0x107e946be 0x7fff8e1355fd 0x1”;
}
Backtrace:
0 CoreFoundation 0x00007fff8943025c __exceptionPreprocess + 172
1 libobjc.A.dylib 0x00007fff8219ae75 objc_exception_throw + 43
2 CoreFoundation 0x00007fff8932b22e -[__NSDictionaryM setObject:forKey:] + 1102
3 OmniStyle 0x00000001086c9f10 OSQuickLookURL + 44816
4 OmniStyle 0x000000010868315a OAFontDescriptorIsInterestedInStyleAttributeKey + 13770
5 OmniStyle 0x0000000108682f61 OAFontDescriptorIsInterestedInStyleAttributeKey + 13265
6 OmniStyle 0x00000001086ca960 OSQuickLookURL + 47456
7 OmniStyle 0x00000001086c9b06 OSQuickLookURL + 43782
8 OmniStyle 0x00000001086ca9c4 OSQuickLookURL + 47556
9 OmniStyle 0x000000010869743a keyEquivalentForVirtualKeyCode + 2138
10 OmniStyle 0x000000010869cc00 keyEquivalentForVirtualKeyCode + 24608
11 OmniStyle 0x00000001086a0e52 keyEquivalentForVirtualKeyCode + 41586
12 CoreFoundation 0x00007fff893fee0c CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER + 12
13 CoreFoundation 0x00007fff892f282d _CFXNotificationPost + 2893
14 Foundation 0x00007fff85283d2d postQueueNotifications + 742
15 CoreFoundation 0x00007fff89360d67 CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION + 23
16 CoreFoundation 0x00007fff89360cd7 __CFRunLoopDoObservers + 391
17 CoreFoundation 0x00007fff89352493 __CFRunLoopRun + 995
18 CoreFoundation 0x00007fff89351e75 CFRunLoopRunSpecific + 309
19 HIToolbox 0x00007fff8b270a0d RunCurrentEventLoopInMode + 226
20 HIToolbox 0x00007fff8b2707b7 ReceiveNextEventCommon + 479
21 HIToolbox 0x00007fff8b2705bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
22 AppKit 0x00007fff8306224e _DPSNextEvent + 1434
23 AppKit 0x00007fff8306189b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
24 AppKit 0x00007fff8305599c -[NSApplication run] + 553
25 OmniAppKit 0x0000000108306b8f OmniAppKit + 15247
26 AppKit 0x00007fff83040783 NSApplicationMain + 940
27 OmniFocus 0x0000000107e946be OmniFocus + 9918
28 libdyld.dylib 0x00007fff8e1355fd start + 1
29 ??? 0x0000000000000001 0x0 + 1

2015-02-16 11:53:37 CET (CrashCatcher activated)