Cloner generating error message

Hello team!

My site is experiencing the exact same issue with the cloner plugin as seen here:
https://premium.wpmudev.org/forums/topic/an-error-has-occurred-with-using-cloner-pluggin?rad=b&utm_expid=3606929-86.PHoDXYJeQYmWFQIujGOFZg.1&utm_referrer=https%3A%2F%2Fwww.google.com.ua

I have just granted access and left a note. Site is wpfreemason.net

Thank you,
Adal