Need help please get error page if order is processed and the clicked net page

[Thewishmaster]

1264 - Out of range value adjusted for column 'products_id' at row 1

 

insert into products_notifications (products_id, customers_id, date_added) values ('', '1', now())

 

[TEP STOP]

 

I got this error when i order some items in my shop

I have gotten an email and all is going well except when i got the thank you page and i click the next button

i get this error

 

can someone tell me what i did wrong (sql)