Help!!Toefl ibt registration

alice189

i registrate the test in the internet,so i need sign up first.but if i fill "Canada" in the "Country/Location" of the "contact information",
4 o( q( T' t+ H2 ?* ?; Rthen i can't put "canada"in the"Primary"of the "contact perferences"
- a+ ~1 f! C8 p) I' `; @+ A% IWhat should i do?Help!!!