ERROR: Unable to execute query

INSERT INTO `signup` SET
email='[email protected]',
username='vshare',
pwd='8df58c301d0469d06553fa26d4064cd2',
website='http://www.buyscripts.in',
friends_type='All|Family|Friends',
emailverified='yes',
account_status='Active',
addtime='1220683086',
logintime='1220683086'

Table 'signup' doesn't exist

K so this is the permisions that my sql user has
GRANT DELETE,INSERT,SELECT,UPDATE,SET, ON mydatabase.* TO jiffypop@localhost;
do i need to ad more grant and if so what lol thank you