Hello,
Thank you for reaching out to us.
1/ Please enable debug mode in WordPress – https://wordpress.org/support/article/debugging-in-wordpress/ to find out what error appears on your site, it will point you in the right direction and what needs to be fixed.
2/ Set an administrator role for the user you created for us.
3/ Provide FTP access – for FTP access, we require the following details: FTP host, FTP username, FTP password, FTP port, and FTP encryption type. If you need assistance in creating these credentials, please reach out to your hosting provider who will guide you through the process.
Best Regards,
8Theme’s Team