Index: kernel/classes/ezcontentcachemanager.php
===================================================================
--- kernel/classes/ezcontentcachemanager.php	(revision 22556)
+++ kernel/classes/ezcontentcachemanager.php	(working copy)
@@ -539,6 +539,11 @@
                     //eZDebug::writeDebug( 'adding additional object ' . $objectID, 'eZContentCacheManager::nodeListForObject() for object ' . $contentObjectID );
                     eZContentCacheManager::nodeListForObject( $object, true, self::CLEAR_NODE_CACHE, $nodeList, $handledObjectList );
                 }
+                else
+                {
+                    eZDebug::writeWarning( "Failed fetching additional object to clear the view cache of, object with ID $objectID does not exist, check the settings in viewcache.ini",
+                                           'eZContentCacheManager::nodeListForObject()' );
+                }
             }
         }