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Could always run a "spider" such as "Link Checker" against the website during non-peak hours (and configure to delay a bit between requests). Not ideal, but would solve the issue without requiring...

The only reason a HASH would ever be needed would be if one wanted a "quick, but not perfect" COMPARE to see if one image was a copy of another image (to save on storage space). Only relevant if on a...

As noted by mc12345678 and elsewhere on the forums, some third party modules as part of their install or uninstall were deleting all entries in gid=0 when the module was not previously installed.

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Yes there is a way. I have a filter written for another Zen Cart module we could apply. But may be worth adding an alert / warning / block adding image from admin as well with characters not...

Sounds like your hosting provider may be running PHP using the web server's account (instead of an account created specifically for your website). In this case the web server's account must have...

Looks like image handler is not enabled or has not been fully installed (or something went wrong when merging the changes into your template). I'd suggest checking the settings (readme has...

The code you posted looks like Zen Cart 1.3.x code... Possibly Zen Cart was upgraded from a previous version and something was missed when merging files... Or maybe some older code was merged into...