i have this error but i don't even know why ?! please help me : i have this error at line 3 (sup_id) however i don't know why?
it should be correct right ??

this SQL language (DATABASE) ,i tried changing the name and the type everything nothing worked
this part of my work for college project i will be thankfull for the help 

create table supplier
(
sup_id number (12),
 contact number (12),
 Name varchar2 (30) NOT NULL, 
 constraint id_pk primary key (sup_id));


at line 3 it says error