relationship issue in another table

Question

I am new in database

 

I am trying to servicename(tbl_service) store in another table(tbl_qetintouch) but before I want to give relationship between them but give an error

 

table data: 

 

 

error image:

 

 

 

table image:

 

 

 

when I am trying to give referance then give an error

I want to show dropdownlist servicename data in getintouchform and store the servicename in getintouch table

help