(gdb) bt
#0  -[NSException raise] (self=0x555555f72db0, _cmd=0x7ffff587bfc0 <_OBJC_SELECTOR_TABLE+384>) at NSException.m:960
#1  0x00007ffff53927a3 in +[NSException raise:format:] (self=0x7ffff587c2c0 <_OBJC_Class_NSException>, _cmd=<optimized out>, name=0x7ffff587c950 <_OBJC_INSTANCE_4>,
    format=0x7ffff5911e50 <_OBJC_INSTANCE_0>) at NSException.m:840
#2  0x00007ffff54a6c42 in gs_objc_msg_forward2 (receiver=0x7ffff6f6d940 <_OBJC_Class_WOCookie>, sel=0x7ffff6f6c8f1 <_OBJC_ClassName_WOCookie>) at GSFFIInvocation.m:201
#3  0x00007ffff4f50f45 in __objc_get_forward_imp (rcv=<optimized out>, sel=0x7ffff7dd10c0 <_OBJC_SELECTOR_TABLE+896>) at /scratch/packages/gcc/4.9/gcc-4.9-4.9.2/src/libobjc/sendmsg.c:119
#4  0x00007ffff7b6998e in -[SOGoWebAuthenticator cookieWithUsername:andPassword:inContext:] (self=0x5555558f4640, _cmd=0x7fffeb243ec0 <_OBJC_SELECTOR_TABLE+640>, username=0x555555f7fe30,
    password=0x555555f7ef30, context=0x555555ceac80) at SOGoWebAuthenticator.m:420
#5  0x00007fffeb03a4f2 in -[SOGoRootPage connectAction] (self=0x555555f8ff80, _cmd=0x555555c8df90) at SOGoRootPage.m:240
#6  0x00007ffff6c44eac in -[WOComponent(DirectActionExtensions) performActionNamed:] (self=0x555555f8ff80, _cmd=0x7fffeb683c90 <_OBJC_SELECTOR_TABLE+1872>, _actionName=0x555555f630b0)
    at WOPageRequestHandler.m:245
#7  0x00007fffeb479f89 in -[UIxComponent performActionNamed:] (self=0x555555f8ff80, _cmd=0x7ffff6ffd1a0 <_OBJC_SELECTOR_TABLE+928>, _actionName=0x555555bb92c0) at UIxComponent.m:789
#8  0x00007ffff6cc2c1c in -[SoActionInvocation callOnObject:withPositionalParametersWhenNotNil:inContext:] (self=0x555555908660, _cmd=0x7ffff6ffd1d0 <_OBJC_SELECTOR_TABLE+976>,
    _client=0x5555559a98d0, _positionalArgs=0x0, _ctx=0x555555ceac80) at SoActionInvocation.m:300
#9  0x00007ffff6cc2d48 in -[SoActionInvocation callOnObject:inContext:] (self=0x555555908660, _cmd=0x7ffff6ff95e0 <_OBJC_SELECTOR_TABLE+672>, _client=0x5555559a98d0, _ctx=0x555555ceac80)
    at SoActionInvocation.m:316
#10 0x00007ffff6cbd346 in -[SoObjectMethodDispatcher dispatchInContext:] (self=0x555555f84810, _cmd=0x7ffff6ffad00 <_OBJC_SELECTOR_TABLE+1536>, _ctx=0x555555ceac80)
    at SoObjectMethodDispatcher.m:191
#11 0x00007ffff6cbf76c in -[SoObjectRequestHandler handleRequest:inContext:session:application:] (self=0x555555bd9240, _cmd=0x7ffff6f7ed50 <_OBJC_SELECTOR_TABLE+848>, _rq=0x5555558da7c0,
    _ctx=0x555555ceac80, _sn=0x0, app=0x5555559a98d0) at SoObjectRequestHandler.m:584
#12 0x00007ffff6c46c26 in -[WORequestHandler handleRequest:] (self=0x555555bd9240, _cmd=0x7ffff6f48a10 <_OBJC_SELECTOR_TABLE+1616>, _request=0x5555558da7c0) at WORequestHandler.m:237
#13 0x00007ffff6c07ebc in -[WOCoreApplication dispatchRequest:usingHandler:] (self=0x5555559a98d0, _cmd=0x7ffff6f48a60 <_OBJC_SELECTOR_TABLE+1696>, _request=0x5555558da7c0,
    handler=0x555555bd9240) at WOCoreApplication.m:712
#14 0x00007ffff6c081e3 in -[WOCoreApplication dispatchRequest:] (self=0x5555559a98d0, _cmd=0x555555764880 <_OBJC_SELECTOR_TABLE+1664>, _request=0x5555558da7c0) at WOCoreApplication.m:752