facing problems

hi,
i m not able to login to my admin panel
error message
“Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 122880 bytes) in /home/thecorpo/public_html/pulkitoberoi/wp-admin/includes/post.php on line 102”

i dont have much knowledge about wordpress so is there any 1 who can help me?

regards
Moon Oberoi