Meta Box

Here (Example on this URL: https://referralrock.com/integration/salesforce/):

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/mb-elementor-integrator/src/GroupField.php:257 Stack trace: #0 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/mb-elementor-integrator/src/GroupField.php(257): count(false) #1 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/mb-elementor-integrator/src/Traits/Post.php(88): MBEI\GroupField->get_value_dynamic_tag('integration-tes...', 'integration-tes...', NULL) #2 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/mb-elementor-integrator/src/Traits/Fields/Text.php(16): MBEI\Tags\Post\Text->the_value() #3 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/dynamic-tags/tag.php(35): MBEI\Tags\Post\Text->render() #4 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/dynamic-tags/manager.php(216): Elementor\Core\DynamicTags\Tag->get_content() #5 [internal function]: Elementor\Core\DynamicTags\Manager->get_tag_data_content('a404265', 'meta-box-text', Array) #6 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/dynamic-tags/manager.php(109): call_user_func_array(Array, Array) #7 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/dynamic-tags/manager.php(74): Elementor\Core\DynamicTags\Manager->parse_tag_text('[elementor-tag ...', Array, Array) #8 [internal function]: Elementor\Core\DynamicTags\Manager->Elementor\Core\DynamicTags\{closure}(Array) #9 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/dynamic-tags/manager.php(73): preg_replace_callback('/\\[elementor-ta...', Object(Closure), '[elementor-tag ...') #10 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/includes/controls/base-data.php(91): Elementor\Core\DynamicTags\Manager->parse_tags_text('[elementor-tag ...', Array, Array) #11 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/includes/base/controls-stack.php(1272): Elementor\Base_Data_Control->parse_tags('[elementor-tag ...', Array) #12 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/includes/base/controls-stack.php(1123): Elementor\Controls_Stack->parse_dynamic_settings(Array) #13 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(298): Elementor\Controls_Stack->get_parsed_dynamic_settings() #14 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(226): Elementor\Core\Files\CSS\Post->render_styles(Object(Elementor\Widget_Heading)) #15 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(298): Elementor\Core\Files\CSS\Post->add_controls_stack_style_rules(Object(Elementor\Element_Column), Array, Array, Array, Array) #16 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(226): Elementor\Core\Files\CSS\Post->render_styles(Object(Elementor\Element_Column)) #17 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(298): Elementor\Core\Files\CSS\Post->add_controls_stack_style_rules(Object(Elementor\Element_Section), Array, Array, Array, Array) #18 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(178): Elementor\Core\Files\CSS\Post->render_styles(Object(Elementor\Element_Section)) #19 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/base.php(632): Elementor\Core\Files\CSS\Post->render_css() #20 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/base.php(180): Elementor\Core\Files\CSS\Base->parse_content() #21 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/base.php(131): Elementor\Core\Files\Base->update_file() #22 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/base.php(218): Elementor\Core\Files\CSS\Base->update() #23 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/core/files/css/post.php(201): Elementor\Core\Files\CSS\Base->enqueue() #24 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor-pro/modules/theme-builder/classes/locations-manager.php(93): Elementor\Core\Files\CSS\Post->enqueue() #25 /srv/users/referralrock/apps/referralrock/public/wp-includes/class-wp-hook.php(307): ElementorPro\Modules\ThemeBuilder\Classes\Locations_Manager->enqueue_styles('') #26 /srv/users/referralrock/apps/referralrock/public/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #27 /srv/users/referralrock/apps/referralrock/public/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #28 /srv/users/referralrock/apps/referralrock/public/wp-includes/script-loader.php(2156): do_action('wp_enqueue_scri...') #29 /srv/users/referralrock/apps/referralrock/public/wp-includes/class-wp-hook.php(307): wp_enqueue_scripts('') #30 /srv/users/referralrock/apps/referralrock/public/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #31 /srv/users/referralrock/apps/referralrock/public/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #32 /srv/users/referralrock/apps/referralrock/public/wp-includes/general-template.php(3042): do_action('wp_head') #33 /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/elementor/modules/page-templates/templates/canvas.php(19): wp_head() #34 /srv/users/referralrock/apps/referralrock/public/wp-includes/template-loader.php(106): include('/srv/users/refe...') #35 /srv/users/referralrock/apps/referralrock/public/wp-blog-header.php(19): require_once('/srv/users/refe...') #36 /srv/users/referralrock/apps/referralrock/public/index.php(17): require('/srv/users/refe...') #37 {main} thrown in /srv/users/referralrock/apps/referralrock/public/wp-content/plugins/mb-elementor-integrator/src/GroupField.php on line 257
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I tried that under Metabox ->Post Type -> My post type... then edit

Still doesn't display. We're also using Elementor for the single post templates. Not sure if that factors in.