Traceback when purging Data Store

[soininen]

I tried to purge a Data Store from its properties tab after opening and closing Database editor and got this Traceback:

Traceback (most recent call last):
  File "spinetoolbox\helpers.py", line 122, in new_function
    return func(*args, **kwargs)
  File "spinetoolbox\fetch_parent.py", line 99, in _apply_pending_changes
    self.handle_items_removed({db_map: data})
  File "spinetoolbox\fetch_parent.py", line 332, in handle_items_removed
    self._handle_items_removed(db_map_data)
  File "spinetoolbox\spine_db_editor\mvcmodels\tree_item_utility.py", line 209, in handle_items_removed
    self.remove_children(row, 1)
  File "spinetoolbox\mvcmodels\minimal_tree_model.py", line 193, in remove_children
    self.model.beginRemoveRows(self.index(), first, last)
  File "spinetoolbox\mvcmodels\minimal_tree_model.py", line 126, in index
    return self.model.index_from_item(self)
  File "spinetoolbox\mvcmodels\minimal_tree_model.py", line 313, in index_from_item
    return self.createIndex(row, 0, item)
RuntimeError: Internal C++ object (AlternativeModel) already deleted.