update

Export/exportDXF.py

@@ -268,9 +268,13 @@ class exportDXF:
         })
 
     def createPolyline(self, wire):
-        data = getWire(wire.Shape)
-        lwp = self.msp.add_lwpolyline(data)
-        return lwp
+        try:
+            data = getWire(wire.Shape)
+            lwp = self.msp.add_lwpolyline(data)
+            return lwp
+        except Exception as e:
+            print("Error creating polyline:", e)
+            return None
 
 
 def getWire(wire, nospline=False, width=.0):
@@ -519,7 +523,8 @@ class _PVPlantExportDXF(QtGui.QWidget):
 
     def writeArea(self):
         pol = self.exporter.createPolyline(FreeCAD.ActiveDocument.Site.Boundary)
-        pol.dxf.layer = "boundary"
+        if pol:
+            pol.dxf.layer = "boundary"
 
         for area in FreeCAD.ActiveDocument.Boundaries.Group:
             pol = self.exporter.createPolyline(area)