Hello @onaker,
We are sorry to hear that you encountered issues while using Duplicator.
Our support and development teams are committed to ensuring that Duplicator users have the best possible experience with our plugin.
The error “Security Check Validation – No Token Found” is an edge case that we have not received recent reports about. Therefore, we suspect it may be caused by a conflict with another plugin.
Please be assured that we are always here to help. We can assist you in investigating and resolving this issue.
As this issue requires investigation and may involve sharing information about your website, kindly contact us through our support form. We will then do our best to help you.
We look forward to hearing back from you.
Best regards,