Error message

• Notice: Undefined variable: data in template_preprocess_mmenu() (line 926 of modules/contrib/mmenu/mmenu.module).
• Notice: Undefined variable: menu_id in template_preprocess_mmenu() (line 927 of modules/contrib/mmenu/mmenu.module).
• Notice: Undefined variable: data in template_preprocess_mmenu() (line 926 of modules/contrib/mmenu/mmenu.module).
• Notice: Undefined variable: menu_id in template_preprocess_mmenu() (line 927 of modules/contrib/mmenu/mmenu.module).
• Notice: Undefined variable: data in template_preprocess_mmenu() (line 926 of modules/contrib/mmenu/mmenu.module).
• Notice: Undefined variable: menu_id in template_preprocess_mmenu() (line 927 of modules/contrib/mmenu/mmenu.module).