as per devloai:

- better UX by removing alert when hovering
- additional try-catch for missing save file

Author: Wurschdhaud

extensions/pyRevitTools.extension/pyRevit.tab/Modify.panel/3D.pulldown/Section Box Navigator.pushbutton/script.py

@@ -1039,6 +1039,7 @@ def btn_preview_grid_enter(self, sender, e):
                 # Grid mode - move to next grid
                 params = {
                     "direction": sender.Tag,
+                    "is_grid_mode": True,
                     "do_not_apply": True,
                 }
                 box = self.do_grid_move(params)
@@ -1047,16 +1048,10 @@ def btn_preview_grid_enter(self, sender, e):
                 try:
                     distance_text = self.txtGridNudgeAmount.Text.strip()
                     if not distance_text:
-                        forms.alert(
-                            "Please enter a nudge amount", title="Input Required"
-                        )
                         return
 
                     distance = float(distance_text)
                     if distance <= 0:
-                        forms.alert(
-                            "Nudge amount must be greater than 0", title="Invalid Input"
-                        )
                         return
 
                     distance = DB.UnitUtils.ConvertToInternalUnits(

extensions/pyRevitTools.extension/pyRevit.tab/Modify.panel/3D.pulldown/Section Box Navigator.pushbutton/sectionbox_geometry.py

@@ -10,7 +10,10 @@ def get_section_box_info(view, datafilename):
     if not isinstance(view, DB.View3D):
         return
     if not view.IsSectionBoxActive:
-        view_boxes = script.load_data(datafilename)
+        try:
+            view_boxes = script.load_data(datafilename)
+        except Exception:
+            return None
         view_id_value = get_elementid_value(view.Id)  
         if view_id_value not in view_boxes:  
             return None