[Resolved] cURL error 28: Resolving timed out

Background of the issue:
We are receiving this error wp_error wpml-config/config-index.json code: http_request_failed message: cURL error 28: Resolving timed out after 10000 milliseconds. (Describe what you were attempting when the issue occurred){"core":{"Wordpress":{"Multisite":"No","SiteURL":"hidden link;,"HomeURL":"hidden link;,"Version":"6.6.1","PermalinkStructure":"/%postname%/","PostTypes":"post, page, attachment, revision, nav_menu_item, custom_css, customize_changeset, oembed_cache, user_request, wp_block, wp_template, wp_template_part, wp_global_styles, wp_navigation, wp_font_family, wp_font_face, et_tb_item, project, postman_sent_mail, et_theme_options, et_code_snippet, et_theme_builder, et_template, et_header_layout, et_body_layout, et_footer_layout","PostStatus":"publish, future, draft, pending, private, trash, auto-draft, inherit, request-pending, request-confirmed, request-failed, request-completed","RestEnabled":"Yes"},"Server":{"jQueryVersion":"3.7.1","PHPVersion":"8.2.22","MySQLVersion":"10.11.9","ServerSoftware":"Apache"},"PHP":{"MemoryLimit":"256M","WP Memory Limit":"128M","UploadMax":"2M","PostMax":"8M","TimeLimit":"30","MaxInputVars":"1000","MBString":true,"libxml":true}},"plugins":{"active_plugins":{"post-smtp/postman-smtp.php":{"Plugin Slug":"","Name":"Post SMTP","PluginURI":"https://wordpress.org/plugins/post-smtp/","Version":"2.9.7","Author":"Post SMTP","AuthorURI":"hidden link;,"TextDomain":"post-smtp","DomainPath":"","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"Post SMTP","AuthorName":"Post SMTP"},"sitepress-multilingual-cms/sitepress.php":{"Plugin Slug":"sitepress-multilingual-cms","Name":"WPML Multilingual CMS","PluginURI":"https://wpml.org/","Version":"4.6.9","Author":"OnTheGoSystems","AuthorURI":"http://www.onthegosystems.com/","TextDomain":"sitepress-multilingual-cms","DomainPath":"","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"WPML Multilingual CMS","AuthorName":"OnTheGoSystems"},"automatic-alt.php":{"Plugin Slug":"","Name":"Automatic Alt for images","PluginURI":"hidden link;,"Version":"1.0.0","Author":"José Conti","AuthorURI":"hidden link;,"TextDomain":"","DomainPath":"","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"Automatic Alt for images","AuthorName":"José Conti"},"lightbox-images-for-divi/lightbox-images-for-divi.php":{"Plugin Slug":"","Name":"Divi Lightbox for Images","PluginURI":"hidden link;,"Version":"1.0.5","Author":"Fernando Tellado","AuthorURI":"hidden link;,"TextDomain":"lightbox-images-for-divi","DomainPath":"/languages/","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"Divi Lightbox for Images","AuthorName":"Fernando Tellado"},"sg-security/sg-security.php":{"Plugin Slug":"","Name":"Security Optimizer","PluginURI":"hidden link;,"Version":"1.5.1","Author":"SiteGround","AuthorURI":"hidden link;,"TextDomain":"sg-security","DomainPath":"/languages","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"Security Optimizer","AuthorName":"SiteGround"},"wp-seopress/seopress.php":{"Plugin Slug":"","Name":"SEOPress","PluginURI":"hidden link;,"Version":"7.9.2","Author":"The SEO Guys at SEOPress","AuthorURI":"hidden link;,"TextDomain":"wp-seopress","DomainPath":"/languages","Network":false,"RequiresWP":"5.0","RequiresPHP":"7.4","UpdateURI":"","RequiresPlugins":"","Title":"SEOPress","AuthorName":"The SEO Guys at SEOPress"},"wpml-string-translation/plugin.php":{"Plugin Slug":"wpml-string-translation","Name":"WPML String Translation","PluginURI":"https://wpml.org/","Version":"3.2.9","Author":"OnTheGoSystems","AuthorURI":"http://www.onthegosystems.com/","TextDomain":"wpml-string-translation","DomainPath":"","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"WPML String Translation","AuthorName":"OnTheGoSystems"}},"mu_plugins":[],"dropins":{"maintenance.php":{"Plugin Slug":"","Name":"maintenance.php","PluginURI":"","Version":"","Description":"","Author":"","AuthorURI":"","TextDomain":"","DomainPath":"","Network":false,"RequiresWP":"","RequiresPHP":"","UpdateURI":"","RequiresPlugins":"","Title":"","AuthorName":""}}},"theme":{"Name":"Caroline Theme","ThemeURI":false,"Author":"Opac","AuthorURI":"https://www.opacline.com","Template":"Divi","Version":"1.0","TextDomain":"","DomainPath":"","ParentName":"Divi"},"extra-debug":{"WPML":{"hide_upgrade_notice":"4.6.9","translated_document_status_sync":1,"icl_capabilities_verified":true,"active_languages":["en","es","ca"],"interview_translators":1,"existing_content_language_verified":1,"language_negotiation_type":1,"icl_lso_link_empty":0,"sync_page_ordering":1,"sync_page_parent":1,"sync_page_template":1,"sync_ping_status":1,"sync_comment_status":1,"sync_sticky_flag":1,"sync_password":1,"sync_private_flag":1,"sync_post_format":1,"sync_delete":1,"sync_delete_tax":1,"sync_post_taxonomies":1,"sync_post_date":1,"sync_taxonomy_parents":0,"translation_pickup_method":0,"notify_complete":1,"translated_document_status":1,"remote_management":0,"auto_adjust_ids":1,"alert_delay":0,"promote_wpml":0,"automatic_redirect":0,"remember_language":24,"icl_lang_sel_copy_parameters":"","translated_document_page_url":"auto-generate","sync_comments_on_duplicates":0,"seo":{"head_langs":1,"canonicalization_duplicates":1,"head_langs_priority":1},"posts_slug_translation":{"on":1,"string_name_migrated":true},"urls":{"directory_for_default_language":0,"show_on_root":"","root_html_file_path":"","root_page":0,"hide_language_switchers":1},"xdomain_data":1,"custom_posts_sync_option":{"post":1,"page":1,"attachment":1,"wp_block":1,"wp_navigation":1,"wp_template":1,"wp_template_part":1,"project":1,"et_pb_layout":1,"et_header_layout":2,"et_body_layout":2,"et_footer_layout":2,"et_theme_builder":0,"et_template":0},"taxonomies_sync_option":{"category":1,"post_tag":1,"translation_priority":1,"wp_theme":0,"project_category":1,"project_tag":1,"layout_category":1,"layout_type":0,"scope":0,"module_width":0,"layout_pack":0},"tm_block_retranslating_terms":1,"admin_default_language":"_default_","st":{"db_ok_for_gettext_context":true,"WPML_ST_Upgrade_Migrate_Originals_has_run":true,"WPML_ST_Upgrade_Display_Strings_Scan_Notices_has_run":true,"WPML_ST_Upgrade_MO_Scanning_4_has_run":true,"WPML_ST_Upgrade_DB_String_Name_Index_2_has_run":true,"WPML_ST_Upgrade_DB_Longtext_String_Value_has_run":true,"WPML_ST_Upgrade_DB_Strings_Add_Translation_Priority_Field_has_run":true,"WPMLSTMOGenerateProcessStatus_background_has_run":true,"WPMLSTUpgradeCommandRegenerateMoFilesWithStringNames_has_run":true,"WPMLSTUpgradeCommandMigrateMultilingualWidgets_has_run":true,"WPMLSTMOGenerateProcessStatus_has_run":true,"strings_per_page":10,"icl_st_auto_reg":"disable","strings_language":"en","translated-users":[],"sw":[],"WPML_ST_Upgrade_DB_String_Packages_Word_Count_has_run":true,"WPML_ST_Upgrade_DB_String_Packages_2.4.2_has_run":true},"ajx_health_checked":true,"default_categories":{"ca":"1","es":1,"en":6},"default_language":"ca","setup_wizard_step":3,"languages_order":["ca","en","es"],"dont_show_help_admin_notice":true,"store_frontend_cookie":1,"setup_complete":1,"admin_text_3_2_migration_complete_1cac3f82c24ece30dcc04f49c495c756":true,"admin_text_3_2_migration_complete_6b85f05371150cd5a8becb2545701f1a":true,"translation-management":{"custom_fields_translation":{"title":2,"description":2,"keywords":2,"_edit_last":0,"_edit_lock":0,"_wp_page_template":0,"_wp_attachment_metadata":0,"original_post_id":0,"_wpml_original_post_id":0,"_wp_old_slug":0,"_icl_translator_note":0,"_alp_processed":0,"_pingme":0,"_encloseme":0,"_icl_lang_duplicate_of":0,"_thumbnail_id":0,"_wp_attached_file":0,"_wp_attachment_image_alt":2,"_seopress_titles_title":2,"_seopress_titles_desc":2,"_seopress_social_fb_title":2,"_seopress_social_fb_desc":2,"_seopress_social_fb_img":2,"_seopress_social_twitter_title":2,"_seopress_social_twitter_desc":2,"_seopress_social_twitter_img":2,"_seopress_robots_index":2,"_seopress_robots_follow":2,"_seopress_robots_imageindex":2,"_seopress_robots_archive":2,"_seopress_robots_snippet":2,"_seopress_robots_canonical":2,"_seopress_robots_primary_cat":2,"_seopress_robots_breadcrumbs":2,"_seopress_redirections_enabled":2,"_seopress_redirections_logged_status":2,"_seopress_redirections_type":2,"_seopress_redirections_value":2,"_et_pb_predefined_layout":1,"_et_pb_page_layout":1,"_et_pb_side_nav":1,"_et_pb_post_hide_nav":1,"_et_pb_show_title":1,"_et_pb_use_builder":1,"_et_pb_old_content":2,"_et_pb_product_page_layout":1,"_et_pb_woo_page_content_status":1,"_et_pb_ab_current_shortcode":1,"_et_pb_ab_stats_refresh_interval":1,"_et_pb_ab_bounce_rate_limit":1,"_et_pb_enable_shortcode_tracking":1,"_et_pb_custom_css":1,"_et_pb_light_text_color":1,"_et_pb_dark_text_color":1,"_et_pb_content_area_background_color":1,"_et_pb_show_page_creation":1,"_et_post_bg_color":1,"_et_post_bg_layout":1,"_et_pb_use_ab_testing":1,"_et_pb_ab_testing_id":1,"_et_pb_ab_subjects":1,"_et_pb_ab_goal_module":1,"_et_pb_excluded_global_options":1,"et_pb_post_hide_nav":3,"_et_pb_built_for_post_type":1,"footnotes":2},"custom_fields_readonly_config":["title","description","keywords","_edit_last","_edit_lock","_wp_page_template","_wp_attachment_metadata","original_post_id","_wpml_original_post_id","_wp_old_slug","_icl_translator_note","_alp_processed","_pingme","_encloseme","_icl_lang_duplicate_of","_thumbnail_id","_wp_attached_file","_wp_attachment_image_alt","footnotes","_seopress_titles_title","_seopress_titles_desc","_seopress_social_fb_title","_seopress_social_fb_desc","_seopress_social_fb_img","_seopress_social_twitter_title","_seopress_social_twitter_desc","_seopress_social_twitter_img","_seopress_robots_index","_seopress_robots_follow","_seopress_robots_imageindex","_seopress_robots_archive","_seopress_robots_snippet","_seopress_robots_canonical","_seopress_robots_primary_cat","_seopress_robots_breadcrumbs","_seopress_redirections_enabled","_seopress_redirections_logged_status","_seopress_redirections_type","_seopress_redirections_value","_et_pb_predefined_layout","_et_pb_page_layout","_et_pb_side_nav","_et_pb_post_hide_nav","_et_pb_show_title","_et_pb_use_builder","_et_pb_old_content","_et_pb_product_page_layout","_et_pb_woo_page_content_status","_et_pb_ab_current_shortcode","_et_pb_ab_stats_refresh_interval","_et_pb_ab_bounce_rate_limit","_et_pb_enable_shortcode_tracking","_et_pb_custom_css","_et_pb_light_text_color","_et_pb_dark_text_color","_et_pb_content_area_background_color","_et_pb_show_page_creation","_et_post_bg_color","_et_post_bg_layout","_et_pb_use_ab_testing","_et_pb_ab_testing_id","_et_pb_ab_subjects","_et_pb_ab_goal_module","_et_pb_excluded_global_options","et_pb_post_hide_nav","_et_pb_built_for_post_type"],"custom_fields_translation_custom":[],"custom_fields_translation_custom_readonly":[],"doc_translation_method":"ATE","__custom_types_readonly_config_prev":[],"custom_types_readonly_config":[],"__custom_fields_readonly_config_prev":["title","description","keywords","_edit_last","_edit_lock","_wp_page_template","_wp_attachment_metadata","original_post_id","_wpml_original_post_id","_wp_old_slug","_icl_translator_note","_alp_processed","_pingme","_encloseme","_icl_lang_duplicate_of","_thumbnail_id","_wp_attached_file","_wp_attachment_image_alt","footnotes","_seopress_titles_title","_seopress_titles_desc","_seopress_social_fb_title","_seopress_social_fb_desc","_seopress_social_fb_img","_seopress_social_twitter_title","_seopress_social_twitter_desc","_seopress_social_twitter_img","_seopress_robots_index","_seopress_robots_follow","_seopress_robots_imageindex","_seopress_robots_archive","_seopress_robots_snippet","_seopress_robots_canonical","_seopress_robots_primary_cat","_seopress_robots_breadcrumbs","_seopress_redirections_enabled","_seopress_redirections_logged_status","_seopress_redirections_type","_seopress_redirections_value","_et_pb_predefined_layout","_et_pb_page_layout","_et_pb_side_nav","_et_pb_post_hide_nav","_et_pb_show_title","_et_pb_use_builder","_et_pb_old_content","_et_pb_product_page_layout","_et_pb_woo_page_content_status","_et_pb_ab_current_shortcode","_et_pb_ab_stats_refresh_interval","_et_pb_ab_bounce_rate_limit","_et_pb_enable_shortcode_tracking","_et_pb_custom_css","_et_pb_light_text_color","_et_pb_dark_text_color","_et_pb_content_area_background_color","_et_pb_show_page_creation","_et_post_bg_color","_et_post_bg_layout","_et_pb_use_ab_testing","_et_pb_ab_testing_id","_et_pb_ab_subjects","_et_pb_ab_goal_module","_et_pb_excluded_global_options","et_pb_post_hide_nav","_et_pb_built_for_post_type"],"__custom_term_fields_readonly_config_prev":[],"custom_term_fields_readonly_config":[],"custom_fields_editor_style":{"_et_pb_old_content":"visual"},"taxonomies_readonly_config":{"translation_priority":1,"wp_theme":0,"project_category":1,"project_tag":1,"layout_category":1,"layout_type":0,"scope":0,"module_width":0,"layout_pack":0},"custom-types_readonly_config":{"attachment":1,"wp_block":1,"wp_navigation":1,"wp_template":1,"wp_template_part":1,"project":1,"et_pb_layout":1,"et_header_layout":2,"et_body_layout":2,"et_footer_layout":2,"et_theme_builder":0,"et_template":0},"custom_fields_encoding":{"footnotes":"json"}},"custom-types_sync_option":{"attachment":1,"wp_block":1,"wp_navigation":1,"wp_template":1,"wp_template_part":1,"project":1,"et_pb_layout":1,"et_header_layout":2,"et_body_layout":2,"et_footer_layout":2,"et_theme_builder":0,"et_template":0},"language_selector_initialized":1,"xliff_newlines":2,"tm_xliff_version":"12","site_does_not_use_icl":true,"WPML_Translate_Link_Target_Global_State":true,"hidden_languages":[],"show_translations_flag":1},"installer":{"version":"3.1.4","repositories":{"wpml":{"api-url":"https://api.wpml.org/","bucket-url":"https://cdn.wpml.org/wpml-bucket-6.json","subscription":{"key":"brtxJe2HGK","key_type":0,"data":{"subscription_type":6721,"expires":null,"status":"4","notes":"upgrade for #124171","order_id":"1814345","hasAutoRenewal":true},"registered_by":2,"site_url":"hidden link;},"last-successful-subscription-fetch":"2024-08-27 04:01:57"},"toolset":{"api-url":"hidden link;,"bucket-url":"not assigned","subscription":"","last-successful-subscription-fetch":"none"}},"instances":{"/var/www/vhosts/carolinecopestake.com/httpdocs/wp-content/plugins/sitepress-multilingual-cms/vendor/otgs/installer/installer.php":{"bootfile":"/var/www/vhosts/carolinecopestake.com/httpdocs/wp-content/plugins/sitepress-multilingual-cms/vendor/otgs/installer/installer.php","version":"3.1.4","args":{"plugins_install_tab":1,"site_key_nags":[{"repository_id":"wpml","product_name":"WPML","condition_cb":[{"wpdb":{"show_errors":false,"suppress_errors":false,"last_error":"","num_queries":132,"num_rows":0,"rows_affected":0,"insert_id":0,"last_query":"SELECT option_value FROM c4r0p0a_options WHERE option_name = u0027auto_core_update_failedu0027 LIMIT 1","last_result":[],"queries":null,"prefix":"c4r0p0a_","base_prefix":"c4r0p0a_","ready":true,"blogid":0,"siteid":0,"tables":["posts","comments","links","options","postmeta","terms","term_taxonomy","term_relationships","termmeta","commentmeta"],"old_tables":["categories","post2cat","link2cat"],"global_tables":["users","usermeta"],"ms_global_tables":["blogs","blogmeta","signups","site","sitemeta","registration_log"],"old_ms_global_tables":["sitecategories"],"comments":"c4r0p0a_comments","commentmeta":"c4r0p0a_commentmeta","links":"c4r0p0a_links","options":"c4r0p0a_options","postmeta":"c4r0p0a_postmeta","posts":"c4r0p0a_posts","terms":"c4r0p0a_terms","term_relationships":"c4r0p0a_term_relationships","term_taxonomy":"c4r0p0a_term_taxonomy","termmeta":"c4r0p0a_termmeta","usermeta":"c4r0p0a_usermeta","users":"c4r0p0a_users","blogs":null,"blogmeta":null,"registration_log":null,"signups":null,"site":null,"sitecategories":null,"sitemeta":null,"field_types":{"post_author":"%d","post_parent":"%d","menu_order":"%d","term_id":"%d","term_group":"%d","term_taxonomy_id":"%d","parent":"%d","count":"%d","object_id":"%d","term_order":"%d","ID":"%d","comment_ID":"%d","comment_post_ID":"%d","comment_parent":"%d","user_id":"%d","link_id":"%d","link_owner":"%d","link_rating":"%d","option_id":"%d","blog_id":"%d","meta_id":"%d","post_id":"%d","user_status":"%d","umeta_id":"%d","comment_karma":"%d","comment_count":"%d","active":"%d","cat_id":"%d","deleted":"%d","lang_id":"%d","mature":"%d","public":"%d","site_id":"%d","spam":"%d"},"charset":"utf8mb4","collate":"utf8mb4_unicode_520_ci","func_call":"$db-u003Equery(u0022SELECT option_value FROM c4r0p0a_options WHERE option_name = u0027auto_core_update_failedu0027 LIMIT 1u0022)","is_mysql":true,"time_start":null,"error":null,"categories":"c4r0p0a_categories","post2cat":"c4r0p0a_post2cat","link2cat":"c4r0p0a_link2cat","sgs_log":"c4r0p0a_sgs_log_events","sgs_visitors":"c4r0p0a_sgs_log_visitors"},"locale_utils":{},"footer_preview":false,"icl_translations_cache":null,"icl_language_name_cache":{},"icl_term_taxonomy_cache":null},"setup"]}]},"delegated":true}}}}}

Symptoms:
cURL error 28: Resolving timed out

Questions:
Why am I receiving the cURL error 28?
How can I resolve the cURL error 28?