Ok, sorry this project went dead for a while, but I’m back at it and still having the same issue. I tried disabling all plug-ins except ACF and changing the template, but I’m still having the same problem. I don’t know if it will help, but this is my
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We've just released ACF 5.12.3 with a security fix to prevent arbitrary file uploads to forms with ACF fields.— Advanced Custom Fields (@wp_acf) July 14, 2022
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