diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index b8f87ea..482c366 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -3228,7 +3228,9 @@
 
         String authorizedPackage = NumberVerificationManager.getAuthorizedPackage(mApp);
         if (!TextUtils.equals(callingPackage, authorizedPackage)) {
-            throw new SecurityException("Calling package must be configured in the device config");
+            throw new SecurityException("Calling package must be configured in the device config: "
+                    + "calling package: " + callingPackage
+                    + ", configured package: " + authorizedPackage);
         }
 
         if (range == null) {