#6730 - GCodeViewer -> Fixed crash when importing gcode files generated by PrusaSlicer and edited by user or 3rd part post processors by appending new lines after the config section. Show instead the same error dialog as when trying to import the config into PrusaSlicer from the same gcode file

src/slic3r/GUI/Plater.cpp

@@ -4898,7 +4898,15 @@ void Plater::load_gcode(const wxString& filename)
     // process gcode
     GCodeProcessor processor;
     processor.enable_producers(true);
-    processor.process_file(filename.ToUTF8().data(), false);
+    try
+    {
+        processor.process_file(filename.ToUTF8().data(), false);
+    }
+    catch (const std::exception& ex)
+    {
+        show_error(this, ex.what());
+        return;
+    }
     p->gcode_result = std::move(processor.extract_result());
 
     // show results