Fatal: ASSERT failure in QVector<T>::remove: "index out of range", file /usr/include/qt4/QtCore/qvector.h, line 375
Stacktrace (piped through c++filt):
qgis[0x509bc0]
qgis(myMessageOutput(QtMsgType, char const*)+0x38)[0x509cc8]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(qt_message_output(QtMsgType, char const*)+0x21)[0x7f257064fbb1]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x70ff9)[0x7f257064fff9]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(qFatal(char const*, ...)+0x94)[0x7f2570650804]
/usr/lib/libqgis_gui.so.2.8.1(QgsAttributeForm::onAttributeDeleted(int)+0x83)[0x7f25711f0303]
/usr/lib/libqgis_gui.so.2.8.1(+0x366e47)[0x7f25712dfe47]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QMetaObject::activate(QObject*, QMetaObject const*, int, void**)+0x2da)[0x7f257077087a]
/usr/lib/libqgis_core.so.2.8.1(QgsVectorLayer::attributeDeleted(int)+0x31)[0x7f2571baf201]
/usr/lib/libqgis_core.so.2.8.1(+0x524868)[0x7f2571baf868]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QMetaObject::activate(QObject*, QMetaObject const*, int, void**)+0x2da)[0x7f257077087a]
/usr/lib/libqgis_core.so.2.8.1(QgsVectorLayerEditBuffer::attributeDeleted(int)+0x31)[0x7f2571bafff1]
/usr/lib/libqgis_core.so.2.8.1(QgsVectorLayerUndoCommandDeleteAttribute::redo()+0xa9)[0x7f2571a9e749]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QUndoStack::push(QUndoCommand*)+0x23)[0x7f257012bc53]
/usr/lib/libqgis_core.so.2.8.1(QgsVectorLayerEditBuffer::deleteAttribute(int)+0xdf)[0x7f2571a84ddf]
/usr/lib/libqgis_core.so.2.8.1(QgsVectorLayer::deleteAttributes(QList<int>)+0x139)[0x7f2571a7eae9]
qgis(QgsAttributeTableDialog::on_mRemoveAttribute_clicked()+0x102)[0x58b0f2]
qgis[0x823f08]
qgis(QgsAttributeTableDialog::qt_metacall(QMetaObject::Call, int, void**)+0x43)[0x824473]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QMetaObject::activate(QObject*, QMetaObject const*, int, void**)+0x4d8)[0x7f2570770a78]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QAbstractButton::clicked(bool)+0x32)[0x7f25701440d2]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x57b9d3)[0x7f256fea79d3]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x57cb43)[0x7f256fea8b43]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QAbstractButton::mouseReleaseEvent(QMouseEvent*)+0x6c)[0x7f256fea8c2c]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QToolButton::mouseReleaseEvent(QMouseEvent*)+0xa)[0x7f256ff5fa4a]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QWidget::event(QEvent*)+0xaca)[0x7f256fb4550a]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QApplicationPrivate::notify_helper(QObject*, QEvent*)+0x8c)[0x7f256faf5e2c]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QApplication::notify(QObject*, QEvent*)+0x3ad)[0x7f256fafc5dd]
/usr/lib/libqgis_core.so.2.8.1(QgsApplication::notify(QObject*, QEvent*)+0x5b)[0x7f25718cb0db]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QCoreApplication::notifyInternal(QObject*, QEvent*)+0x6d)[0x7f257075c4dd]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool)+0x153)[0x7f256fafbd93]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x2449cb)[0x7f256fb709cb]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(QApplication::x11ProcessEvent(_XEvent*)+0x1559)[0x7f256fb70269]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x26bb02)[0x7f256fb97b02]
/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x254)[0x7f256b41be04]
/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x49048)[0x7f256b41c048]
/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x2c)[0x7f256b41c0ec]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x71)[0x7f25707897a1]
/usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x26bbb6)[0x7f256fb97bb6]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x2f)[0x7f257075b0af]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+0x175)[0x7f257075b3a5]
/usr/lib/x86_64-linux-gnu/libQtCore.so.4(QCoreApplication::exec()+0x89)[0x7f2570760b79]
qgis(main+0x1faf)[0x504ebf]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7f256d5adec5]
qgis[0x509608]