fixed array bug

src/AjaxHandler/GetBoss.php

@@ -159,7 +159,7 @@ class GetBoss extends \VuFind\AjaxHandler\AbstractBase
 
             $isilCallNumber = $this->getISILCallNumber($results['data']);
             $networks = isset($this->config->General->networks) ?
-                $this->config->General->networks : [];
+                $this->config->General->networks->toArray() : [];
             $inArray = in_array($network, $networks);
             $isbns = $driver->tryMethod('getISBNs');
             $isbns = count($isbns) > 0 ? $isbns[0] : '';