It happens in a not longer supported version of QS but you might want to check if it's reproducible on current builds. Here's an extract from the crash report:
Process: Quicksilver [13018] Path: /Applications/Quıcĸsıɩⅴεʀ.app/Contents/MacOS/Quicksilver Identifier: com.blacktree.Quicksilver Version: 1.2.0 (4008) Code Type: X86-64 (Native) Parent Process: launchd [355] User ID: 501 Date/Time: 2017-07-21 22:11:49.227 +0200 OS Version: Mac OS X 10.8.5 (12F2560) Report Version: 10 Crashed Thread: 2 Dispatch queue: com.apple.root.default-priority Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Application Specific Information: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSURL initFileURLWithPath:]: nil string parameter' abort() called terminate called throwing an exception Application Specific Backtrace 1: 0 CoreFoundation 0x00007fff97c8bb06 __exceptionPreprocess + 198 1 libobjc.A.dylib 0x00007fff8e9403f0 objc_exception_throw + 43 2 CoreFoundation 0x00007fff97c8b8dc +[NSException raise:format:] + 204 3 Foundation 0x00007fff974fcde7 -[NSURL(NSURL) initFileURLWithPath:] + 81 4 Foundation 0x00007fff974fcce7 +[NSURL(NSURL) fileURLWithPath:] + 43 5 QSFoundation 0x00000001008eec9b -[NDAlias(AliasFile) writeToFile:] + 34 6 Core Support 0x0000000105707543 objc_unretainedPointer + 17071 7 QSCore 0x000000010096ca4c -[QSAction performOnDirectObject:indirectObject:] + 1010 8 QSCore 0x0000000100974fac -[QSCommand execute] + 312 9 QSInterface 0x0000000100a1ffc9 -[QSInterfaceController executeCommandThreaded] + 355 10 libdispatch.dylib 0x00007fff94d64f01 _dispatch_call_block_and_release + 15 11 libdispatch.dylib 0x00007fff94d610b6 _dispatch_client_callout + 8 12 libdispatch.dylib 0x00007fff94d621fa _dispatch_worker_thread2 + 304 13 libsystem_c.dylib 0x00007fff91349cdb _pthread_wqthread + 404 14 libsystem_c.dylib 0x00007fff91334191 start_wqthread + 13 Thread 2 Crashed:: Dispatch queue: com.apple.root.default-priority 0 libsystem_kernel.dylib 0x00007fff8c605212 __pthread_kill + 10 1 libsystem_c.dylib 0x00007fff91348b24 pthread_kill + 90 2 libsystem_c.dylib 0x00007fff9138cf61 abort + 143 3 libc++abi.dylib 0x00007fff8e13c9eb abort_message + 257 4 libc++abi.dylib 0x00007fff8e13a39a default_terminate() + 28 5 libobjc.A.dylib 0x00007fff8e940873 _objc_terminate() + 91 6 libc++.1.dylib 0x00007fff93e4a8fe std::terminate() + 20 7 libobjc.A.dylib 0x00007fff8e9405de objc_terminate + 9 8 libdispatch.dylib 0x00007fff94d610ca _dispatch_client_callout + 28 9 libdispatch.dylib 0x00007fff94d621fa _dispatch_worker_thread2 + 304 10 libsystem_c.dylib 0x00007fff91349cdb _pthread_wqthread + 404 11 libsystem_c.dylib 0x00007fff91334191 start_wqthread + 13 -- You received this message because you are subscribed to the Google Groups "Quicksilver" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/blacktree-quicksilver. For more options, visit https://groups.google.com/d/optout.
