Many errors...

can anyone help, i don't know what to do. i keep getting the following error:

user error: Table 'jey2283_notes3.ec_product' doesn't exist
query: SELECT * FROM ec_product WHERE nid = 23
in /home/jey2283/public_html/notes/includes/database.mysql.inc on line 66.

but i loaded the store.msql file, and everything shoudl be in the correct directory

when i try to make a product, i get the following error:

user error: Table 'jey2283_notes3.ec_product' doesn't exist
query: SELECT COUNT (nid) FROM ec_product WHERE nid = 34
in /home/jey2283/public_html/notes/includes/database.mysql.inc on line 66.
user error: Table 'jey2283_notes3.ec_product' doesn't exist
query: INSERT INTO ec_product (price sku, hid....) in /home/jey2283/public_html/notes/includes/database.mysql.inc on line 66.
warning: Cannot modify hearder information - headers already sent by (output started at /home/jey2283/public_html/notes/includes/common.inc:384)
in /home/jey2283/public_html/notes.includes/common.inc on line 192

when i enable the product module i get the following error:
user error: Table 'jey2283_notes3.ec_product' doesn't exist
query: SELECT * FROM ec_product WHERE nid = 23 in /home/jey2283/public_html/notes/includes/database.mysql.inc on line 66.

when i am in admin mode, and click on store i get the following error:
Fatal error: Call to undefined function: payment_get_status_id() in /home/jey2283/public_html/notes/modules/store/store.module on line 867

can someone please help?