Rich Custom Field for Custom Post type not saving

The second parameter on wp_editor is the “metabox” field id/default name and you need to put this in the “update_post_meta” for wordpress to know what to save or specify the correct textarea_name.

In display_educadme_related_resources() use:

$educadme_resources = get_post_meta($post->ID, 'related-editor', true);

And in save_educadme_related_resources() use:

update_post_meta($post->ID, "related-editor", $_POST["related-editor"]);

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