Fix Valentina crash.

--HG--
branch : develop

src/app/valentina/mainwindow.cpp

@@ -62,7 +62,6 @@
 #include "../vtools/undocommands/addgroup.h"
 #include "dialogs/vwidgetdetails.h"
 #include "../vpatterndb/vpiecepath.h"
-#include "../vpatterndb/measurements.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../vtools/dialogs/support/dialogeditlabel.h"
 
@@ -478,8 +477,7 @@ bool MainWindow::LoadMeasurements(const QString &path)
     }
     else if (m->Type() == MeasurementsType::Individual)
     {
-        VContainer::SetSize(*pattern->DataVariables()->value(size_M)->GetValue());
+        SetSizeHeightForIndividualM();
-        VContainer::SetHeight(*pattern->DataVariables()->value(height_M)->GetValue());
     }
 
     return true;
@@ -528,8 +526,7 @@ bool MainWindow::UpdateMeasurements(const QString &path, int size, int height)
     }
     else if (m->Type() == MeasurementsType::Individual)
     {
-        VContainer::SetSize(*pattern->DataVariables()->value(size_M)->GetValue());
+        SetSizeHeightForIndividualM();
-        VContainer::SetHeight(*pattern->DataVariables()->value(height_M)->GetValue());
     }
 
     return true;

src/app/valentina/mainwindowsnogui.cpp

@@ -40,6 +40,7 @@
 #include "../vpatterndb/floatItemData/vpiecelabeldata.h"
 #include "../vpatterndb/floatItemData/vpatternlabeldata.h"
 #include "../vpatterndb/floatItemData/vgrainlinedata.h"
+#include "../vpatterndb/measurements.h"
 #include "../vtools/tools/vabstracttool.h"
 #include "../vtools/tools/vtoolseamallowance.h"
 
@@ -1515,6 +1516,30 @@ QString MainWindowsNoGUI::FileName() const
     return QFileInfo(fileName).baseName();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void MainWindowsNoGUI::SetSizeHeightForIndividualM() const
+{
+    const QHash<QString, QSharedPointer<VInternalVariable> > * vars = pattern->DataVariables();
+
+    if (vars->contains(size_M))
+    {
+        VContainer::SetSize(*vars->value(size_M)->GetValue());
+    }
+    else
+    {
+        VContainer::SetSize(0);
+    }
+
+    if (vars->contains(height_M))
+    {
+        VContainer::SetHeight(*vars->value(height_M)->GetValue());
+    }
+    else
+    {
+        VContainer::SetHeight(0);
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int MainWindowsNoGUI::ContinueIfLayoutStale()
 {

src/app/valentina/mainwindowsnogui.h

@@ -99,6 +99,7 @@ protected:
     bool LayoutSettings(VLayoutGenerator& lGenerator);
     int ContinueIfLayoutStale();
     QString FileName() const;
+    void SetSizeHeightForIndividualM() const;
 private slots:
     void PrintPages (QPrinter *printer);
     void ErrorConsoleMode(const LayoutErrors &state);