ASSERT INFO:
./src/common/menucmn.cpp(991): assert "item" failed in Check(): attempt to check an item which doesn't exist

BACKTRACE:
[1] wxMenuBarBase::Check(int, bool)
[2] CodeSnippetsWindow::OnClose(wxCloseEvent&)
[3] CodeSnippets::OnAppStartShutdown(CodeBlocksEvent&)
[4] Manager::ProcessEvent(CodeBlocksEvent&)
[5] wxStringTokenizer::~wxStringTokenizer()
[6] wxEvtHandler::ProcessEventIfMatchesId(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&)
[7] wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*)
[8] wxEvtHandler::TryHereOnly(wxEvent&)
[9] wxEvtHandler::DoTryChain(wxEvent&)
[10] wxEvtHandler::ProcessEvent(wxEvent&)
[11] wxEvtHandler::SafelyProcessEvent(wxEvent&)
[12] wxWindowBase::Close(bool)
[13] g_closure_invoke
[14] g_signal_emit_valist
[15] g_signal_emit
[16] gtk_main_do_event
[17] g_main_context_dispatch
[18] g_main_loop_run
[19] gtk_main
[20] wxGUIEventLoop::DoRun()
[21] wxEventLoopBase::Run()
[22] wxAppConsoleBase::MainLoop()
[23] wxEntry(int&, wchar_t**)
[24] __libc_start_main