hello everybody

in theme setting have error :

"Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 174 of ...\includes\entity.inc)."

and then in entity.inc line 174 add code:  echo var_dump($ids);

then $ids is:

I want change theme setting and get:

"Fatal error: Call to undefined function md_chulan_validate_theme_settings() "

I need help too.

Please help me.

  Thank you.