All tables of a database are utf-8_general_ci
There was no problems at conversion procedure. Our forum is international, and we should upgrade to utf-8_general_ci in any case, so we prepared for it.
The fix that you gave me has helped me for this function, but the same problem appears when calling in a photo gallery.
Whether is it possible, that you have looked at this error?
I'll inform a login and password to you.