找不到Wordpress php插件

I am getting this Warning and my Header and Footer on my Website are not showing them right.

Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'remove_admin_bar_style_frontend' not found or invalid function name in /home/toolsebo/www/yr-1007/wp-includes/plugin.php on line 496

I tried to find the remove_admin_bar_style_frontend in my functions.php to remove it but i cant.

Please help me to get this fixed i really don't know how to go ahead.

wp-includes/plugin.php is a core file, it wouldn't be in there, that's just what's generating the error.

Look in your wp-content/themes/your_theme_name/ folder for a functions.php or similar file. The function will be in there.

This means you are calling the function "remove_admin_bar_style_frontend" but that function was not in your plugin or theme. Search for that initiating code block and comment it.Try to search add_action('....