Everything about his plugin is scam and they are not willing to help as they said to me they are going on holidays and I have create different ticket this plugin won't work it is just a scam and I am going to write code canyon about this plugin.
Dont go for it.....
Author response
Hi, i checked on my help desk and don't see you there: https://gyazo.com/f155b402ed1d7ba690ee9a51fba1f71a
and our system haven't got any ticket related with WordPress Sandbox plugin at now: https://gyazo.com/176e884413c02b2a393f24e911001315
Where did you contact us for support? We provide support via help desk only at https://sp.g5plus.net .
Hope you re-contact there and i will check and fix for you, in case can't fix, i will refund no questions.
Waiting your response.
Thanks