Warnings from Snapshot

I moved this site from moldave-cook.com to this new server and I'm experiencing a whole bunch of weird issues. This is one...

Warning: rename(/,/home/aqh3tx/public_html/wp-content/uploads/wpmu_snapshots): No such file or directory in /home/content/a2pnexwpnas03_data01/75/3360175/html/wp-content/plugins/snapshot/snapshot.php on line 3821

Warning: Cannot modify header information - headers already sent by (output started at /home/content/a2pnexwpnas03_data01/75/3360175/html/wp-content/plugins/snapshot/snapshot.php:3821) in /home/content/a2pnexwpnas03_data01/75/3360175/html/wp-includes/pluggable.php on line 1171