(lldb) bt
* thread #1: tid = 0xbb48bc, 0x00007fff948fc866 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  * frame #0: 0x00007fff948fc866 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007fff8c2f335c libsystem_pthread.dylib`pthread_kill + 92
    frame #2: 0x00007fff89ac4b1a libsystem_c.dylib`abort + 125
    frame #3: 0x00007fff89a8e9bf libsystem_c.dylib`__assert_rtn + 321
    frame #4: 0x000000012d763b9b libi18nsearchlo.dylib`rtl::OUString::operator[](this=0x00007fff546552a0, index=3) const + 123 at ustring.hxx:421
    frame #5: 0x000000012d7605bd libi18nsearchlo.dylib`TextSearch::IsDelimiter(this=0x000000012ecb80b0, rStr=0x00007fff546552a0, nPos=3) const + 45 at textsearch.cxx:432
    frame #6: 0x000000012d75dd7c libi18nsearchlo.dylib`TextSearch::NSrchFrwrd(this=0x000000012ecb80b0, searchStr=0x00007fff546555c8, startPos=0, endPos=3) + 1084 at textsearch.cxx:617
    frame #7: 0x000000012d75ec20 libi18nsearchlo.dylib`TextSearch::searchForward(this=0x000000012ecb80b0, searchStr=0x00007fff54655968, startPos=0, endPos=3) + 768 at textsearch.cxx:255
    frame #8: 0x000000012d75f754 libi18nsearchlo.dylib`non-virtual thunk to TextSearch::searchForward(this=0x000000012ecb80d8, searchStr=0x00007fff54655968, startPos=0, endPos=3) + 68 at textsearch.cxx:326
    frame #9: 0x000000010ff1abfa libutllo.dylib`utl::TextSearch::SearchForward(this=0x00007fe7751bfd50, rStr=0x00007fff54655968, pStart=0x00007fff5465592c, pEnd=0x00007fff54655928, pRes=0x00007fff54655910) + 170 at textsearch.cxx:216
    frame #10: 0x000000012899e4c6 libsclo.dylib`ScTable::SearchCell(this=0x000000011e97b000, rSearchItem=0x00007fe774a1c350, nCol=3, nRow=1, rMark=0x00007fe774f4ae60, rUndoStr=0x00007fff546561b8, pUndoDoc=0x0000000000000000) + 1126 at table6.cxx:114
    frame #11: 0x000000012899fc80 libsclo.dylib`ScTable::Search(this=0x000000011e97b000, rSearchItem=0x00007fe774a1c350, rCol=0x00007fff54655b6c, rRow=0x00007fff54655b68, rMark=0x00007fe774f4ae60, rUndoStr=0x00007fff546561b8, pUndoDoc=0x0000000000000000) + 2480 at table6.cxx:395
    frame #12: 0x000000012899fe32 libsclo.dylib`ScTable::SearchAll(this=0x000000011e97b000, rSearchItem=0x00007fe774a1c350, rMark=0x00007fe774f4ae60, rMatchedRanges=0x00007fff54656188, rUndoStr=0x00007fff546561b8, pUndoDoc=0x0000000000000000) + 98 at table6.cxx:431
    frame #13: 0x00000001289a159a libsclo.dylib`ScTable::SearchAndReplace(this=0x000000011e97b000, rSearchItem=0x00007fe774a1c350, rCol=0x00007fff54655d14, rRow=0x00007fff54655d10, rMark=0x00007fe774f4ae60, rMatchedRanges=0x00007fff54656188, rUndoStr=0x00007fff546561b8, pUndoDoc=0x0000000000000000) + 1034 at table6.cxx:724
    frame #14: 0x00000001286eeeb6 libsclo.dylib`ScDocument::SearchAndReplace(this=0x00007fe7728986b8, rSearchItem=0x00007fe774a1c350, rCol=0x00007fff5465624e, rRow=0x00007fff54656248, rTab=0x00007fff54656242, rMark=0x00007fe774f4ae60, rMatchedRanges=0x00007fff54656188, rUndoStr=0x00007fff546561b8, pUndoDoc=0x0000000000000000) + 774 at documen3.cxx:1265
    frame #15: 0x00000001295bad6a libsclo.dylib`ScViewFunc::SearchAndReplace(this=0x00007fe7719800c0, pSearchItem=0x00007fe774a1c350, bAddUndo=false, bIsApi=false) + 3146 at viewfun2.cxx:1563
    frame #16: 0x000000012958aa6c libsclo.dylib`ScTabViewShell::ExecSearch(this=0x00007fe771980000, rReq=0x00007fff54657490) + 508 at tabvwshe.cxx:234
    frame #17: 0x00000001295655e8 libsclo.dylib`SfxStubScTabViewShellExecSearch(pShell=0x00007fe771980000, rReq=0x00007fff54657490) + 40 at scslots.hxx:1498
    frame #18: 0x000000010d1f5b22 libsfxlo.dylib`SfxShell::CallExec(this=0x00007fe771980000, pFunc=0x00000001295655c0, rReq=0x00007fff54657490)(SfxShell*, SfxRequest&), SfxRequest&) + 34 at shell.hxx:209
    frame #19: 0x000000010d1e9996 libsfxlo.dylib`SfxDispatcher::Call_Impl(this=0x00007fe7738f31a0, rShell=0x00007fe771980000, rSlot=0x0000000129b6eed8, rReq=0x00007fff54657490, bRecord=true) + 1414 at dispatch.cxx:260
    frame #20: 0x000000010d1ee5ec libsfxlo.dylib`SfxDispatcher::_Execute(this=0x00007fe7738f31a0, rShell=0x00007fe771980000, rSlot=0x0000000129b6eed8, rReq=0x00007fff54657490, eCallMode=5) + 1372 at dispatch.cxx:862
    frame #21: 0x000000010d1d7da4 libsfxlo.dylib`SfxBindings::Execute_Impl(this=0x00007fe774fe5c20, aReq=0x00007fff54657490, pSlot=0x0000000129b6eed8, pShell=0x00007fe771980000) + 2580 at bindings.cxx:1204
    frame #22: 0x000000010d1d7154 libsfxlo.dylib`SfxBindings::Execute_Impl(this=0x00007fe774fe5c20, nId=10502, ppItems=0x00007fff54657938, nModi=0, nCallMode=1, ppInternalArgs=0x0000000000000000, bGlobalOnly=false) + 2244 at bindings.cxx:1099
    frame #23: 0x000000010d1d6873 libsfxlo.dylib`SfxBindings::ExecuteSynchron(this=0x00007fe774fe5c20, nId=10502, ppItems=0x00007fff54657930, nModi=0, ppInternalArgs=0x0000000000000000) + 211 at bindings.cxx:1000
    frame #24: 0x00000001212e4859 libsvxlo.dylib`SvxSearchDialog::CommandHdl_Impl(this=0x00007fe772066a00, pBtn=0x00007fe77588fc00) + 2521 at srchdlg.cxx:1263
    frame #25: 0x00000001212dedf8 libsvxlo.dylib`SvxSearchDialog::LinkStubCommandHdl_Impl(pThis=0x00007fe772066a00, pCaller=0x00007fe77588fc00) + 40 at srchdlg.cxx:1181
    frame #26: 0x000000011026a477 libvcllo.dylib`Link::Call(this=0x00007fe77588fe58, pCaller=0x00007fe77588fc00) const + 55 at link.hxx:139
    frame #27: 0x00000001104b4b0d libvcllo.dylib`Control::ImplCallEventListenersAndHandler(this=0x00007fe77588fc00, nEvent=1102, rHandler=0x00007fe77588fe58, pCaller=0x00007fe77588fc00) + 141 at ctrl.cxx:322
    frame #28: 0x000000011046142a libvcllo.dylib`Button::Click(this=0x00007fe77588fc00) + 58 at button.cxx:115
    frame #29: 0x0000000110467a9a libvcllo.dylib`PushButton::Tracking(this=0x00007fe77588fc00, rTEvt=0x00007fff54657ad0) + 426 at button.cxx:1270
    frame #30: 0x000000011042b166 libvcllo.dylib`vcl::Window::EndTracking(this=0x00007fe77588fc00, nFlags=0) + 518 at window2.cxx:436
    frame #31: 0x000000011045744b libvcllo.dylib`ImplHandleMouseEvent(pWindow=0x00007fe772066a00, nSVEvent=2, bMouseLeave=false, nX=383, nY=74, nMsgTime=223865860, nCode=1, nMode=3) + 7499 at winproc.cxx:735
    frame #32: 0x000000011045ef0d libvcllo.dylib`ImplHandleSalMouseButtonUp(pWindow=0x00007fe772066a00, pEvent=0x00007fff54658890) + 157 at winproc.cxx:1982
    frame #33: 0x000000011045974f libvcllo.dylib`ImplWindowFrameProc(pWindow=0x00007fe772066a00, (null)=0x00007fe775883040, nEvent=4, pEvent=0x00007fff54658890) + 655 at winproc.cxx:2332
    frame #34: 0x0000000110a3461d libvcllo.dylib`SalFrame::CallCallback(this=0x00007fe775883040, nEvent=4, pEvent=0x00007fff54658890) const + 93 at salframe.hxx:242
    frame #35: 0x0000000110af908d libvcllo.dylib`-[SalFrameView sendMouseEventToFrame:button:eventtype:](self=0x00007fe770c02f00, _cmd=0x0000000110bf883d, pEvent=0x00007fe7751b6b30, nButton=1, nEvent=4) + 1373 at salframeview.mm:655
    frame #36: 0x0000000110af94e2 libvcllo.dylib`-[SalFrameView mouseUp:](self=0x00007fe770c02f00, _cmd=0x00007fff9603b662, pEvent=0x00007fe7751b6b30) + 82 at salframeview.mm:685
    frame #37: 0x00007fff957ea145 AppKit`-[NSWindow sendEvent:] + 781
    frame #38: 0x00007fff9578b5d4 AppKit`-[NSApplication sendEvent:] + 2021
    frame #39: 0x0000000110adfb87 libvcllo.dylib`-[VCL_NSApplication sendEvent:](self=0x00007fe770e124d0, _cmd=0x00007fff9601b606, pEvent=0x00007fe7751b6b30) + 2263 at vclnsapp.mm:224
    frame #40: 0x0000000110a3190b libvcllo.dylib`AquaSalInstance::Yield(this=0x00007fe770d47790, bWait=true, bHandleAllCurrentEvents=false) + 1467 at salinst.cxx:631
    frame #41: 0x000000011093ec3d libvcllo.dylib`ImplYield(i_bWait=true, i_bAllEvents=false) + 221 at svapp.cxx:360
    frame #42: 0x000000011093a183 libvcllo.dylib`Application::Yield() + 19 at svapp.cxx:392
    frame #43: 0x000000011093a14c libvcllo.dylib`Application::Execute() + 60 at svapp.cxx:341
    frame #44: 0x000000010b6dce94 libsofficeapp.dylib`desktop::Desktop::Main(this=0x00007fff5465aa18) + 14244 at app.cxx:1688
    frame #45: 0x0000000110943230 libvcllo.dylib`ImplSVMain() + 128 at svmain.cxx:160
    frame #46: 0x0000000110a30c8c libvcllo.dylib`AquaSalInstance::handleAppDefinedEvent(pEvent=0x00007fe770d476f0) + 284 at salinst.cxx:457
    frame #47: 0x0000000110adf2f5 libvcllo.dylib`-[VCL_NSApplication sendEvent:](self=0x00007fe770e124d0, _cmd=0x00007fff9601b606, pEvent=0x00007fe770d476f0) + 69 at vclnsapp.mm:82
    frame #48: 0x00007fff955db9f9 AppKit`-[NSApplication run] + 646
    frame #49: 0x00007fff955c6783 AppKit`NSApplicationMain + 940
    frame #50: 0x0000000110a2fab2 libvcllo.dylib`ImplSVMainHook(pnInit=0x00007fff5465a9a8) + 434 at salinst.cxx:203
    frame #51: 0x000000011094493e libvcllo.dylib`SVMain() + 30 at svmain.cxx:190
    frame #52: 0x000000010b747561 libsofficeapp.dylib`soffice_main + 577 at sofficemain.cxx:93
    frame #53: 0x000000010b5a5efd soffice`sal_main + 13
    frame #54: 0x000000010b5a5ed7 soffice`main + 39
    frame #55: 0x00007fff936415fd libdyld.dylib`start + 1
    frame #56: 0x00007fff936415fd libdyld.dylib`start + 1