Fatel error message when importing data

Fatal error: Cannot use string offset as an array in /home1/harpermo/public_html/var/compiled/admin/%%E4^E42^E4252AD1%%mainbox.tpl.php on line 56

Exported all my data and just added meta descriptions and such, trying to import back in and this error message comes up? what’s it mean

Hello, harpersmoto

The problem requires the investigation on your server. Please contact us via Customer Help Desk and provide us with a temporary access to your server.