trying to Register or Login , Receiving the below error Error Message " There is something wrong wi

Envato Customers Purchases and Subscriptions
1

While users are trying to Register or Login , Receiving the below error
Error Message " There is something wrong with the security please check the admin panel"

Using adforest theme , tried disabling the plugins one by one.

2

Hi,

Contact with your purchase item author hope they will helped!

Thanks!