Description:
akonadi will not start

Additional info:

Cannot mix incompatible Qt library (version 0x50500) with this library (version 0x50501)

"[\n0: akonadiserver(_Z11akBacktracev+0x46) [0x5f4916]\n1: akonadiserver() [0x5f4c30]\n2: /usr/lib/libc.so.6(+0x33680) [0x7f8203de6680]\n3: /usr/lib/libc.so.6(gsignal+0x38) [0x7f8203de65f8]\n4: /usr/lib/libc.so.6(abort+0x16a) [0x7f8203de7a7a]\n5: /usr/lib/libQt5Core.so.5(+0xa8fc1) [0x7f8204797fc1]\n6: /usr/lib/libQt5Core.so.5(_ZN14QObjectPrivateC2Ei+0x101) [0x7f82049b7ea1]\n7: /usr/lib/qt/plugins/sqldrivers/libqsqlite3.so(_ZN13QSQLiteDriverC1EP7QObject+0x3e) [0x7f81feb7d31e]\n8: /usr/lib/qt/plugins/sqldrivers/libqsqlite3.so(+0xd415) [0x7f81feb82415]\n9: /usr/lib/libQt5Sql.so.5(+0x185a2) [0x7f82052b25a2]\n10: /usr/lib/libQt5Sql.so.5(_ZN12QSqlDatabase11addDatabaseERK7QStringS2_+0x11) [0x7f82052b2ae1]\n11: akonadiserver(_ZN7Akonadi6Server13AkonadiServer14createDatabaseEv+0x71) [0x471f71]\n12: akonadiserver(_ZN7Akonadi6Server13AkonadiServer4initEv+0x10fd) [0x47453d]\n13: akonadiserver() [0x568169]\n14: /usr/lib/libQt5Core.so.5(_ZN7QObject5eventEP6QEvent+0xf1) [0x7f82049baff1]\n15: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0xbc) [0x7f820498b98c]\n16: /usr/lib/libQt5Core.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x2c6) [0x7f820498dda6]\n17: /usr/lib/libQt5Core.so.5(+0x2f2f43) [0x7f82049e1f43]\n18: /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x2a7) [0x7f8202116dc7]\n19: /usr/lib/libglib-2.0.so.0(+0x4a020) [0x7f8202117020]\n20: /usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7f82021170cc]\n21: /usr/lib/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x5f) [0x7f82049e234f]\n22: /usr/lib/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x10a) [0x7f820498937a]\n23: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication4execEv+0x9c) [0x7f820499133c]\n24: akonadiserver(main+0x13e) [0x470f0e]\n25: /usr/lib/libc.so.6(__libc_start_main+0xf0) [0x7f8203dd3610]\n26: akonadiserver(_start+0x29) [0x471899]\n]\n"


$ pacman -Qs akonadi

local/akonadi 15.08.2-1
PIM layer, which provides an asynchronous API to access all kind of PIM data
local/akonadi-calendar 15.08.2-1
Akonadi calendar integration
local/akonadi-client 15.08.2-1
KDE PIM Libraries
local/akonadi-contact 15.08.2-1
KDE PIM Libraries
local/akonadi-mime 15.08.2-1
KDE PIM Libraries
local/akonadi-notes 15.08.2-1
KDE PIM Libraries
local/akonadi-search 15.08.2-1
Libraries and daemons to implement searching in Akonadi
local/akonadi-socialutils 15.08.2-1
KDE PIM Libraries


Steps to reproduce:

akonadictl start