From 84d0c3261019680d3468951997330571d656e784 Mon Sep 17 00:00:00 2001
From: Philipp Crocoll <crocoapps@gmail.com>
Date: Tue, 17 Jun 2025 16:27:43 +0200
Subject: [PATCH] fix issue with loading Yubikey aux file. closes #2880

---
 src/keepass2android-app/PasswordActivity.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/keepass2android-app/PasswordActivity.cs b/src/keepass2android-app/PasswordActivity.cs
index dd4f675f..fa78db59 100644
--- a/src/keepass2android-app/PasswordActivity.cs
+++ b/src/keepass2android-app/PasswordActivity.cs
@@ -420,8 +420,14 @@ namespace keepass2android
 							try
 							{
 								var iocAux = GetDefaultAuxLocation();
-								LoadFile(iocAux);
-							}
+                                LoadFile(iocAux);
+
+                                if (Activity._chalInfo == null)
+                                {
+                                    throw new Java.Lang.Exception("Failed to load challenge aux file");
+                                }
+
+                            }
 							catch (Exception e)
 							{
 								//this can happen e.g. if the file storage does not support GetParentPath