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<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>> Could you provide a backtrace?<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>Here it is...<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>0 Kst::DataSource::vector datasource.h 82 0x00007ffff794908e <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>1 Kst::DataVector::_resetFieldScalars datavector.cpp 674 0x00007ffff6f42f07 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>2 Kst::DataVector::_resetFieldMetadata datavector.cpp 633 0x00007ffff6f409a8 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>3 Kst::DataVector::reset datavector.cpp 345 0x00007ffff6f44bc4 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>4 Kst::DataVector::change datavector.cpp 138 0x00007ffff6f42dc6 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>5 Kst::DataWizard::finished datawizard.cpp 802 0x00007ffff79419fb <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>6 Kst::DataWizard::qt_metacall moc_datawizard.cpp 421 0x00007ffff7af11dc <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>7 QMetaObject::metacall qmetaobject.cpp 237 0x00007ffff589cbab <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>8 QMetaObject::activate qobject.cpp 3272 0x00007ffff58b2ebb <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>9 QAbstractButton::clicked moc_qabstractbutton.cpp 206 0x00007ffff6741d11 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>10 QAbstractButtonPrivate::emitClicked qabstractbutton.cpp 546 0x00007ffff638197c <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>11 QAbstractButtonPrivate::click qabstractbutton.cpp 539 0x00007ffff6382d9a <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>12 QAbstractButton::mouseReleaseEvent qabstractbutton.cpp 1121 0x00007ffff6383098 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>13 QWidget::event qwidget.cpp 8200 0x00007ffff5ee5298 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>14 QAbstractButton::event qabstractbutton.cpp 1080 0x00007ffff6381926 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>15 QPushButton::event qpushbutton.cpp 683 0x00007ffff6457245 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>16 QApplicationPrivate::notify_helper qapplication.cpp 4445 0x00007ffff5e6237b <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>17 QApplication::notify qapplication.cpp 4006 0x00007ffff5e63245 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>18 QCoreApplication::notifyInternal qcoreapplication.cpp 732 0x00007ffff58947a9 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>19 QCoreApplication::sendSpontaneousEvent qcoreapplication.h 218 0x00007ffff5e788e5 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>20 QApplicationPrivate::sendMouseEvent qapplication.cpp 3103 0x00007ffff5e69bf2 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>... <Mehr> <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>That's the following line:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'> const QMap<QString,
double> meta_scalars =
_dp->dataSource()->vector().metaScalars(_dp->_field);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'>It seems that _dp->dataSource()
is a null pointer… Why and how to fix, I don't know…<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;color:black'>Nicolas<o:p></o:p></span></font></p>
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