Dropbox extension go boom

gistfile1.txt

Thread 7:: Dispatch queue: com.apple.NSXPCConnection.user.com.getdropbox.dropbox.garcon.apple-extension-service
0   libsystem_kernel.dylib        	0x00007fff8b6b652e mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff8b6b569f mach_msg + 55
2   com.apple.CoreServices.CarbonCore	0x00007fff844c0aa9 _scsclient_CacheableGetDataWithStringKey + 195
3   com.apple.CoreServices.CarbonCore	0x00007fff844c09dd RemoteCacheable::GetWithStringKey(unsigned int, char const*, unsigned long*, unsigned int*) + 75
4   com.apple.CoreServices.CarbonCore	0x00007fff844c08ab _CSGetNamedData + 119
5   com.apple.CoreFoundation      	0x00007fff8c962ec0 _CFPropertyListCopyShared + 176
6   com.apple.CoreFoundation      	0x00007fff8ca7684d CFBundleCopyLocalizedStringForLocalization + 397
7   com.apple.Foundation          	0x00007fff917dd315 -[NSBundle localizedStringForKey:value:table:] + 64
8   com.apple.Foundation          	0x00007fff918af07e -[NSError(NSErrorPrivate) _cocoaErrorString:fromBundle:tableName:] + 693
9   com.apple.Foundation          	0x00007fff918af13d -[NSError(NSErrorPrivate) _cocoaErrorString:] + 76
10  com.apple.Foundation          	0x00007fff918acd59 -[NSError _cocoaErrorStringWithKind:variant:] + 175
11  com.apple.Foundation          	0x00007fff918acf05 -[NSError _cocoaErrorStringWithKind:] + 394
12  com.apple.Foundation          	0x00007fff918acf74 -[NSError _retainedUserInfoCallBackForKey:] + 72
13  com.apple.CoreFoundation      	0x00007fff8ca00a08 _CFErrorCocoaCallBack + 120
14  com.apple.CoreFoundation      	0x00007fff8c9fef7e _CFErrorCreateLocalizedDescription + 366
15  com.apple.Foundation          	0x00007fff918723c3 -[NSError localizedDescription] + 115
16  libextension.dylib            	0x00007fff85cdef26 __86-[NSExtension _reallyBeginExtensionRequestWithInputItems:listenerEndpoint:completion:]_block_invoke333 + 29
17  com.apple.Foundation          	0x00007fff91a378a3 __NSXPCCONNECTION_IS_CALLING_OUT_TO_ERROR_BLOCK__ + 7
18  com.apple.Foundation          	0x00007fff91a3870a __97-[NSXPCConnection _sendInvocation:proxyNumber:remoteInterface:withErrorHandler:timeout:userInfo:]_block_invoke311 + 695
19  libxpc.dylib                  	0x00007fff82c73bfc _xpc_connection_reply_callout + 47
20  libxpc.dylib                  	0x00007fff82c73b88 _xpc_connection_call_reply + 36
21  libdispatch.dylib             	0x00007fff8d520c13 _dispatch_client_callout + 8
22  libdispatch.dylib             	0x00007fff8d524365 _dispatch_queue_drain + 1100
23  libdispatch.dylib             	0x00007fff8d525ecc _dispatch_queue_invoke + 202
24  libdispatch.dylib             	0x00007fff8d5236b7 _dispatch_root_queue_drain + 463
25  libdispatch.dylib             	0x00007fff8d531fe4 _dispatch_worker_thread3 + 91
26  libsystem_pthread.dylib       	0x00007fff8d4ba6cb _pthread_wqthread + 729
27  libsystem_pthread.dylib       	0x00007fff8d4b84a1 start_wqthread + 13

Thread 8:
0   libsystem_kernel.dylib        	0x00007fff8b6bb946 __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff8d4b84a1 start_wqthread + 13

Thread 9 Crashed:: Dispatch queue: com.apple.NSXPCConnection.user.com.getdropbox.dropbox.garcon.apple-extension-service
0   libdispatch.dylib             	0x00007fff8d5274bd _dispatch_async_f2 + 105
1   libextension.dylib            	0x00007fff85cde3d7 __86-[NSExtension _reallyBeginExtensionRequestWithInputItems:listenerEndpoint:completion:]_block_invoke + 123
2   com.apple.Foundation          	0x00007fff91a378a3 __NSXPCCONNECTION_IS_CALLING_OUT_TO_ERROR_BLOCK__ + 7
3   com.apple.Foundation          	0x00007fff91a3870a __97-[NSXPCConnection _sendInvocation:proxyNumber:remoteInterface:withErrorHandler:timeout:userInfo:]_block_invoke311 + 695
4   libxpc.dylib                  	0x00007fff82c73bfc _xpc_connection_reply_callout + 47
5   libxpc.dylib                  	0x00007fff82c73b88 _xpc_connection_call_reply + 36
6   libdispatch.dylib             	0x00007fff8d520c13 _dispatch_client_callout + 8
7   libdispatch.dylib             	0x00007fff8d524365 _dispatch_queue_drain + 1100
8   libdispatch.dylib             	0x00007fff8d525ecc _dispatch_queue_invoke + 202
9   libdispatch.dylib             	0x00007fff8d5236b7 _dispatch_root_queue_drain + 463
10  libdispatch.dylib             	0x00007fff8d531fe4 _dispatch_worker_thread3 + 91
11  libsystem_pthread.dylib       	0x00007fff8d4ba6cb _pthread_wqthread + 729
12  libsystem_pthread.dylib       	0x00007fff8d4b84a1 start_wqthread + 13

Crashing with this error in autodesk maya 2015 && photoshop cs 2014 && nuke 9 on mac os yosemite 10.10.1

I'm getting same dropbox thread reference in crashes of Safari Version 8.0 (10600.1.25) on yosemite 10.10