From 07343f6c9f5ed17a32625790e677dffc7b4519a6 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Thu, 16 Apr 2020 09:47:34 +1000
Subject: [PATCH] show a clearer error if the schema is too new

will hold off on making it translatable for now
---
 qt/aqt/main.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/qt/aqt/main.py b/qt/aqt/main.py
index 02a146982..bb1eee453 100644
--- a/qt/aqt/main.py
+++ b/qt/aqt/main.py
@@ -457,9 +457,12 @@ close the profile or restart Anki."""
         try:
             self._loadCollection()
         except Exception as e:
-            showWarning(
-                tr(TR.ERRORS_UNABLE_OPEN_COLLECTION) + "\n" + traceback.format_exc()
-            )
+            if "FileTooNew" in str(e):
+                showWarning("This profile requires a newer version of Anki to open. Did you forget to use the Downgrade button prior to switching Anki versions?")
+            else:
+                showWarning(
+                    tr(TR.ERRORS_UNABLE_OPEN_COLLECTION) + "\n" + traceback.format_exc()
+                )
             # clean up open collection if possible
             if self.col:
                 try: