Looks like ternary needs to be there, or it blows up solution pack collection ingest downstream.

includes/ingest.form.inc

@@ -80,7 +80,7 @@ function islandora_ingest_form(array $form, array &$form_state, array $configura
  */
 function islandora_ingest_form_init_form_state_storage(array &$form_state, array $configuration) {
   if (empty($form_state['islandora'])) {
-    $objects = isset($configuration['objects']);
+    $objects = isset($configuration['objects']) ? $configuration['objects'] : array();
     if (empty($objects)) {
       $objects[] = islandora_ingest_form_prepare_new_object($configuration);
     }