The following is from the Ofudesaki
Kono zanen nanino koto ya to omou kana
Kanrodai ga ichi no zannen 17-58
The first translation below is the traditional translation by Tenrikyo Headquarters and the 2nd translation is word for word.
What do you think My regret is about?
The matter of the Kanrodai is My greatest regret.
This regret, what are your thoughts concerning this matter?
The Kanrodai is the location of the regret (God at location).