Hi @lanwyacaere,
I am sorry to hear about the error appearing while trying to create a NextGEN Gallery. Since many details are not added, I suspect it to be a conflict between the NextGEN Gallery and the Photocrati plugin that has been activated on your setup.
Also, this section is primarily for reviews so for any issues you’re experiencing, like the error you mentioned, we’d recommend reaching out to our dedicated support forums.
To further assists you on the issue, I would like you reach out to our NextGEN Support Forum or if you have an active subscription, feel free to create a Support Ticket. Our team is here to help you get the most out of NextGEN Gallery.
We appreciate your patience and understanding as we work to resolve this matter. We look forward to hearing back from you.
Regards