Hi ludolugo,
Thank you for reaching out to us via the forums. We are sorry for the error you are still facing.
Unfortunately, because this is still a problem with the panel's API, we would need to investigate further what might be causing the error.
For us to better assist you on this matter, please feel free to open a support ticket with our team by emailing
support@jetapps.com or going through your client area.
To keep our team up to date, we'd like to ask that you reference this forum post in your email. Additionally, we would like to ask that in your email, you provide the method you used to run the following script for each user:
/scripts/rebuilduserssldb
We hope to see you at our helpdesk soon.