Admin installation problem

[Dashard]

I get this message the top of ALL admin pages even though the admin pages do load below it. Has anyone got any ideas?

 

Cheers.

 

Warning: Failed opening '/home//catalog/includes/data/rates.php' for inclusion (include_path='') in /home/p/i/picklestoorder/public_html/admin/includes/include_once.php on line 4

[Bob]

I have the same problem below. Can anybody help with this please.

 

Warning: Failed opening '/home/a2zhost/public_html/home/a2zhost/public_html/catalog/includes/data/rates.php' for inclusion (include_path='') in /home/a2zhost/public_html/admin/includes/include_once.php on line 4

:(