fix for setting on default settings array before config entity is cre…

…ated.

modules/base/classes/settings.php

@@ -448,8 +448,15 @@ function set($module, $key, $value) {
             $values = $this->default_config; 
         }
          $values[$module][$key] = $value;
-
-         $this->config->set('settings', $values);
+
+        if ( $this->config ) {
+
+            $this->config->set('settings', $values);
+
+        } else {
+
+            $this->default_config = $values;
+        }
      }