13144 - fix null variable used as an array in be2bill

modules/be2bill/classes/Be2billApi.php

@@ -31,6 +31,12 @@ class Be2billApi
             return false;
         }
 
+        // antadis fix 13144
+        if (!is_array($params_no_hash)) {
+            $params_no_hash = array();
+        }
+        // antadis end fix
+
         #Alpha sort
         ksort($parameters);