It worked for a minute for me, but then at the end I got: > Error: Specified target does not exist. > Target: MI_7_second_order_zero_intercepts_predict.out

It worked for a minute for me, but then at the end I got: > Error: Specified target does not exist. > Target: MI_7_second_order_zero_intercepts_predict.out So maybe wait a bit until you make the effort of going through all the questions. (Also note that it asks for your country at the end, and only has the limited list of options mentioned in the article.)