After upgrading to PanoTour Pro Ver 2.5.9, hotspots for scen

I am Japanese.
I am using Google translation because I am not good at English.
Please allow in advance that the translation is not perfect.
I will also Google Translate your reply so please use friendly English.
Thank you.
After upgrading to PanoTour Pro Ver 2.5.9 the following problem occurred.
· When I build it, hotspots for scene link I created are not displayed.
Build a tour created with an older version but it will not be displayed.
However, it was displayed if it was a simple tour of 2 scenes.
I'm in a hurry because I am getting paid by customers and preparing a tour.
Please tell me the following countermeasures.
1 Solution by my setting
2 How to downgrade to an older version
3 If you are a bug in the system, I'd like to resolve it sooner.
Thank you.
Siriusneo
I am using Google translation because I am not good at English.
Please allow in advance that the translation is not perfect.
I will also Google Translate your reply so please use friendly English.
Thank you.
After upgrading to PanoTour Pro Ver 2.5.9 the following problem occurred.
· When I build it, hotspots for scene link I created are not displayed.
Build a tour created with an older version but it will not be displayed.
However, it was displayed if it was a simple tour of 2 scenes.
I'm in a hurry because I am getting paid by customers and preparing a tour.
Please tell me the following countermeasures.
1 Solution by my setting
2 How to downgrade to an older version
3 If you are a bug in the system, I'd like to resolve it sooner.
Thank you.
Siriusneo