I am unable to edit or change the “Custom Fields” when I edit each single portfolio project. The setting to show or hide the “Custom Fields” under “Screen Options” is not there at all. Please help!

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The problem seems to be caused by a 3rd party plugin. There is a big chance you have ACF Pro Plugin activated. If this is the case, the plugin hides the Custom Fields by default. To read more why they are doing so please check this aticle: https://www.advancedcustomfields.com/blog/acf-pro-5-6-0-ui-ux/ and mainly the information about remove_wp_meta_box (search for it in that article) setting.

We added in a new setting in v5.5.13 allowing the default WP custom field metabox to be removed. Although simple, this can drastically speed up the load times of the post edit page! From Advanced Custom Fields version 5.6.0, this setting will be set to true by default. If you require access to this metabox and don’t mind the extra load time, you can always change this setting via the acf/settings filter.

So what now? You have 2 options:

1. Disable the ACF Pro plugin

There is a big chance the plugin is not used at all for our theme but it has remained active from a previous theme or content creation testing. If you do not need the functionality then simply deactivate and remove the plugin.

2. Keep using ACF Pro and show Custom fields

As suggested by the ACF guys you can use a filter to enable them again E.g.:

add_filter('acf/settings/remove_wp_meta_box', '__return_false');

Alternatively you could use:

You can add either of these methods to your child theme’s functions.php file. Please make sure not to edit the main theme files as you will lose your changes with the next theme update. Use a child theme instead.

Cheers

A 5 star rating is always a great motivation for us if you are happy with our theme or support!
Themeforest | MojoMarketplace | Creative Market