Hello
First of all: please update
joomla gallery to last version.
Next: please check what you use for show gallery. Please turn off all 3 party extensions which you use for gallery show.
If this not help:
Could you give to us
full FTP and supper admin access
and our team will find solution special for You, FTP and admin access You can send to our contact form.
ordasoft.com/contact-us-form
We need:
Link to website.
Detail description: How reproduce error. Step by step. Detail description: how we may reproduce this.
Site Super Admin:
username
password
FTP:
FTP host
FTP username
FTP password
Thanks,
OrdaSoft team.
P.S. Please do site backup 2 times per month, it will save you a lot of problems in the future.