Improve error messages to prevent leakage

Change-Id: I1df18ddcb352c74f7cf782b3c870a8cfcd14ecd3
diff --git a/Changes b/Changes
index 920712c..33447f4 100644
--- a/Changes
+++ b/Changes
@@ -1,8 +1,9 @@
-0.2.4 2021-04-28
+0.2.4 2021-05-07
     - Fix temporary session-riding capabilities.
     - Introduced central tinylog.
     - Fix nullpointer in RTF export.
     - Fix nullpointer in CSV export.
+    - Improve error messages to avoid information leakage.
 
 0.2.3 2021-03-24
     - Added trail info to RTF export.
\ No newline at end of file