From cd69272e7d6217200eaf772c9a59bddaa1ffde5d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 6 Jan 2019 09:07:52 +0530
Subject: [PATCH] Ignore invalid keys when applying saved sort order

---
 src/calibre/gui2/library/views.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/library/views.py b/src/calibre/gui2/library/views.py
index 7a221c3229..d247ef3617 100644
--- a/src/calibre/gui2/library/views.py
+++ b/src/calibre/gui2/library/views.py
@@ -655,7 +655,10 @@ class BooksView(QTableView):  # {{{
         if self.is_library_view:
             for col, order in reversed(self.cleanup_sort_history(
                     saved_history, ignore_column_map=True)[:max_sort_levels]):
-                self.sort_by_named_field(col, order)
+                try:
+                    self.sort_by_named_field(col, order)
+                except KeyError:
+                    pass
         else:
             for col, order in reversed(self.cleanup_sort_history(
                     saved_history)[:max_sort_levels]):