hello, everyone! I have some trouble with my scripts for Unity using.
I wrote a script to convert the latitude and longitude of ArcGIS Map into Unity world coordinates. My code is as follows.

But when I was debugging, the following message appeared in my console of Unity.

Latitude and longitude what my inputting are as follows.

I am troubled by the above problems, if someone has such a problem to solve the idea can give me a message?
Thanks for the help,
Kind regards,
Tung.