Created an account no error -

Logged in no error

Added item to cart got to step 3 of 3 emptied cart - no error -

Selected continue and got this error:
Code:
2006 MySQL server has gone away
in:
[select code, title, symbol_left, symbol_right, decimal_point, thousands_point, decimal_places, value from currencies]
2006 MySQL server has gone away
in:
[select count(*) as total from sessions where sesskey = '377ce7b8663e369e94d0c12c5ff04261']
Refreshed after a wait and page came back up----

I suspect that you are having hosting server issues