Memory Size Exhausted

Help! I logged in and got this message:
Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 30720 bytes) in /home/jamillad/public_html/wp-admin/includes/menu.php on line 38
I have just moved my site to new hosting, but it’s under the same account and with the same size allocation as where it was yesterday.