I installed Zenphoto a few years ago - I think I used a one click install provided by SiteGround, although they don't seem to offer that now. I've started getting regular messages advising me that something has changed and I need to run setup. So I've followed the guide, but even after clicking on the 'Setup >> restore scripts' admin utility, I'm still getting the following message when I navigate to <mydomain>/<my installed folder>/zp-core/setup.php.
"You must restore the setup files from the 1.4.14 [f5b47da52f] release."
In the zp-core folder there is no sign of a setup folder. Does that mean that SiteGround's one-click install deleted these files? Is it enough to simply copy that setup folder over from a fresh download of 1.4.14?
I'm also interested in upgrading to the latest version (1.5.6), for no reason other than to stay current. In the guide for upgrading I'm advised that only upgrading from the previous feature release is guaranteed to work. Is the step from 1.4.14 to 1.5.6 considered a single feature release step (i.e. .4 to .5)? If not, are there any known issues I should be aware of before attempting this upgrade?