From bc3281051030c54bf6bae5390b9ef82e5d6940b7 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Wed, 10 Feb 2021 20:50:07 +0100
Subject: [PATCH] Improved error message

---
 app/src/main/java/eu/faircode/email/Core.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/Core.java b/app/src/main/java/eu/faircode/email/Core.java
index 1d375edb63..dfef349326 100644
--- a/app/src/main/java/eu/faircode/email/Core.java
+++ b/app/src/main/java/eu/faircode/email/Core.java
@@ -1028,7 +1028,7 @@ class Core {
         if (folder.id.equals(target.id))
             throw new IllegalArgumentException("self");
         if (!target.selectable)
-            throw new IllegalArgumentException("not selectable");
+            throw new IllegalArgumentException("not selectable type=" + target.type);
 
         // De-classify
         for (EntityMessage message : messages)