App crashes at server list and go back

Login screen -> server list -> go back -> crash

03-11 10:05:04.823 30130 30286 W fairchat:
D fairchat: ../../fairchat/engine/rocketchatserver.cpp:1699 (RocketChatServerData::getLoginMethods()::<lambda(QJsonObject, MeteorDDP*)>): loginMethods Recieved
D fairchat: qrc:/javascript/print.js:24 (log): qml: QQuickCloseEvent(0x9c4df088)
D fairchat: qrc:/javascript/print.js:24 (log): qml: 2
D Answers : Logged lifecycle event: PAUSE
D Answers : Logged lifecycle event: STOP
F libc    : Invalid address 0xb596c008 passed to free: value not allocated
F libc    : Fatal signal 6 (SIGABRT), code -6 in tid 30199 (QtThread)

current build pulled from git