Adds check for invalid PIDs to islandora_object_load fails

islandora.module

@@ -1229,11 +1229,18 @@ function islandora_object_load($object_id) {
       if ($e->getCode() == '404') {
         return FALSE;
       }
+      else {
+        module_load_include('inc', 'islandora', 'includes/utilities');
+        if (!islandora_is_valid_pid($object_id)) {
+          watchdog('islandora', 'Failed to load invalid PID: @pid', array('@pid' => $object_id), WATCHDOG_ERROR);
+          return FALSE;
+        }
         else {
           return NULL;
         }
       }
     }
+  }
   else {
     IslandoraTuque::getError();
   }