Index: wp-includes/class-wp-xmlrpc-server.php
===================================================================
--- wp-includes/class-wp-xmlrpc-server.php	(revision 20736)
+++ wp-includes/class-wp-xmlrpc-server.php	(working copy)
@@ -1934,7 +1934,12 @@
 				$page = wp_xmlrpc_server::wp_getPage(array(
 					$blog_id, $pages[$i]->ID, $username, $password
 				));
-				$pages_struct[] = $page;
+				// Because we reuse an error-returning API method, check for 
+				// error and simply omit the page if we were not able to access
+				// it for whatever reason.
+				if ( get_class($page) != IXR_Error ) {
+					$pages_struct[] = $page;
+				}
 			}
 
 			return($pages_struct);