You mean "simgallery_system.php" ? show less

Could you tell me what do you do? show less

I use template of HELIX3 bought from stackidea, if I use default template of joomla, it works.
I tried to unpublish all module, but it still doesn't work. show less

I mean besides lastest show less

Oh, maybe I see. let me try show less

Cool! How could I do? Could you tell me?
**Since Scs is a test site. show less

Well, I open full access of folders you need. show less

I can't choose "select category" show less

Thank you Mike.
I appreciate your reminder. I did it. Please check again.
By the way, my template is bought from stackidea.

If you are still not able to visit my FTP, or you do have no access enough, you can tell me what folder you need to full access.
Since when I want to change my file sometime, I must do it on my locoal-end. show less