!IMPORTANT. Vendor dashboard showing Datatable warning

On the Vendor dashboard on all pages where tables are displayed, it shows this error of data table warning and invalid JSON res[ponse and doesn’t show the required data as shown here https://prnt.sc/v0jny7. I use the premium version adn thought this won’t show on the tables as it did with the free version. Any help?

The page I need help with: [log in to see the link]