Debugging output for subscription issue

SoObjects/SOGo/SOGoGCSFolder.m

@@ -1004,6 +1004,7 @@ static NSArray *childRecordFields = nil;
           [folderSubscription removeObject: subscriptionPointer];
 	}
 
+      [self debugWithFormat: @"Update subscriptions for @%: %@", [sogoUser login], folderSubscription];
       [us synchronize];
 
       rc = YES;

SoObjects/SOGo/SOGoParentFolder.m

@@ -348,8 +348,11 @@ static SoSecurityManager *sm = nil;
 	  [subscribedReferences removeObject: currentKey];
 	  [folderDisplayNames removeObjectForKey: currentKey];
           if ([owner isEqualToString: activeUser])
-            // Synchronize settings only if the subscription is owned by the active user
-            dirty = YES;
+            {
+              // Synchronize settings only if the subscription is owned by the active user
+              dirty = YES;
+              [self errorWithFormat: @"%@ lost access to %@", owner, currentKey];
+            }
 	}
     }