transmission-gtk crashed with SIGSEGV in _gdk_window_has_impl()

[APolihron]

I did get this bug ufter i change 3-4 times the panels layout and panel feature for mate tweak

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: transmission-gtk 2.84-3ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
Uname: Linux 4.4.0-11-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: MATE
Date: Mon Mar 14 17:26:06 2016
ExecutablePath: /usr/bin/transmission-gtk
InstallationDate: Installed on 2016-02-26 (17 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224)
ProcCmdline: transmission-gtk --minimized
SegvAnalysis:
 Segfault happened at: 0x7fa1b69b25c2: cmp %rdi,0xe8(%rdi)
 PC (0x7fa1b69b25c2) ok
 source "%rdi" ok
 destination "0xe8(%rdi)" (0x000000e8) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: transmission
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 gdk_x11_window_get_xid () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 ?? () from /usr/lib/libtopmenu-client-gtk3.so.0
 ?? () from /usr/lib/libtopmenu-client-gtk3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
Title: transmission-gtk crashed with SIGSEGV in gdk_x11_window_get_xid()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 _gdk_window_has_impl (window=window@entry=0x0) at /build/gtk+3.0-BLS5EL/gtk+3.0-3.18.8/./gdk/gdkwindow.c:626
 gdk_x11_window_get_xid (window=0x0) at /build/gtk+3.0-BLS5EL/gtk+3.0-3.18.8/./gdk/x11/gdkwindow-x11.c:5527
 topmenu_monitor_set_cur_server () from /tmp/apport_sandbox_1PwnVD/usr/lib/libtopmenu-client-gtk3.so.0
 handle_cur_server_event () from /tmp/apport_sandbox_1PwnVD/usr/lib/libtopmenu-client-gtk3.so.0
 gdk_event_apply_filters (xevent=xevent@entry=0x7fff896e51a0, event=event@entry=0x55fdc8ac7140, window=window@entry=0x55fdc8ba95c0) at /build/gtk+3.0-BLS5EL/gtk+3.0-3.18.8/./gdk/x11/gdkeventsource.c:81