To keep it simple, I've deactivated all plugins except Yoast SEO (9.3) and Toolset (3.1.2). When I try to edit a custom post are numerous issues including:
As soon as I disable Yoast, it works again. Not sure if this is a Yoast or Toolset issue. I've attached a screenshot that shows the issue and one when Yoast is disabled that shows the child relationship working.
Uncaught TypeError: Object(...) is not a function
at Module.325 (keycodes.min.js?ver=2.0.5:1)
at r (keycodes.min.js?ver=2.0.5:1)
at wp.keycodes.1 (keycodes.min.js?ver=2.0.5:1)
at keycodes.min.js?ver=2.0.5:1
data.min.js?ver=4.1.0:1 Uncaught TypeError: Object(...) is not a function
at Module.308 (data.min.js?ver=4.1.0:1)
at r (data.min.js?ver=4.1.0:1)
at wp.data.0 (data.min.js?ver=4.1.0:1)
at data.min.js?ver=4.1.0:1
post.php?post=5429&action=edit:222 Uncaught TypeError: Cannot read property 'use' of undefined
at post.php?post=5429&action=edit:222
at post.php?post=5429&action=edit:224
rich-text.min.js?ver=3.0.3:1 Uncaught TypeError: Cannot read property 'combineReducers' of undefined
at Module.307 (rich-text.min.js?ver=3.0.3:1)
at r (rich-text.min.js?ver=3.0.3:1)
at wp.richText.0 (rich-text.min.js?ver=3.0.3:1)
at rich-text.min.js?ver=3.0.3:1
compose.min.js?ver=3.0.0:1 Uncaught TypeError: Object(...) is not a function
at compose.min.js?ver=3.0.0:1
at Module.<anonymous> (components.min.js?ver=7.0.4:19)
at n (components.min.js?ver=7.0.4:1)
at components.min.js?ver=7.0.4:1
at components.min.js?ver=7.0.4:1
load-scripts.php?c=1&load[]=hoverIntent,common,admin-bar,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,postbox,jquery-ui-menu,jquery-ui-&load[]=autocomplete,tags-suggest,tags-box,word-count,post,imagesloaded,masonry,jquery-masonry,shortcode,wp-util,wp-backbone,media-model&load[]=s,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edit,svg-pai&load[]=nter,wp-auth-check,wp-api,wp-annotations&ver=5.0.2:62 Uncaught TypeError: Cannot read property 'memoize' of undefined
at load-scripts.php?c=1&load[]=hoverIntent,common,admin-bar,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,postbox,jquery-ui-menu,jquery-ui-&load[]=autocomplete,tags-suggest,tags-box,word-count,post,imagesloaded,masonry,jquery-masonry,shortcode,wp-util,wp-backbone,media-model&load[]=s,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edit,svg-pai&load[]=nter,wp-auth-check,wp-api,wp-annotations&ver=5.0.2:62
at load-scripts.php?c=1&load[]=hoverIntent,common,admin-bar,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,postbox,jquery-ui-menu,jquery-ui-&load[]=autocomplete,tags-suggest,tags-box,word-count,post,imagesloaded,masonry,jquery-masonry,shortcode,wp-util,wp-backbone,media-model&load[]=s,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edit,svg-pai&load[]=nter,wp-auth-check,wp-api,wp-annotations&ver=5.0.2:62
wp-seo-post-scraper-930.min.js?ver=9.3:1 Uncaught TypeError: Cannot read property 'withSelect' of undefined
at Object.<anonymous> (wp-seo-post-scraper-930.min.js?ver=9.3:1)
at t (commons-930.min.js?ver=9.3:1)
at Object.<anonymous> (wp-seo-post-scraper-930.min.js?ver=9.3:1)
at t (commons-930.min.js?ver=9.3:1)
at Object.<anonymous> (wp-seo-post-scraper-930.min.js?ver=9.3:1)
at t (commons-930.min.js?ver=9.3:1)
at Object.<anonymous> (wp-seo-post-scraper-930.min.js?ver=9.3:1)
at t (commons-930.min.js?ver=9.3:1)
at Object.<anonymous> (wp-seo-post-scraper-930.min.js?ver=9.3:1)
at t (commons-930.min.js?ver=9.3:1)
main.js?ver=0.1.2:41 Uncaught TypeError: Cannot read property 'defaults' of undefined
at add_filter (main.js?ver=0.1.2:41)
at date.js?ver=0.1.2:205
load-scripts.php?c=1&load[]=hoverIntent,common,admin-bar,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,postbox,jquery-ui-menu,jquery-ui-&load[]=autocomplete,tags-suggest,tags-box,word-count,post,imagesloaded,masonry,jquery-masonry,shortcode,wp-util,wp-backbone,media-model&load[]=s,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edit,svg-pai&load[]=nter,wp-auth-check,wp-api,wp-annotations&ver=5.0.2:39 Uncaught TypeError: Cannot read property 'debounce' of undefined
at HTMLDocument.<anonymous> (load-scripts.php?c=1&load[]=hoverIntent,common,admin-bar,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,postbox,jquery-ui-menu,jquery-ui-&load[]=autocomplete,tags-suggest,tags-box,word-count,post,imagesloaded,masonry,jquery-masonry,shortcode,wp-util,wp-backbone,media-model&load[]=s,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edit,svg-pai&load[]=nter,wp-auth-check,wp-api,wp-annotations&ver=5.0.2:39)
at i (load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,jquery-ui-draggable,jquery-u&load[]=i-tabs&ver=5.0.2:2)
at Object.fireWith [as resolveWith] (load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,jquery-ui-draggable,jquery-u&load[]=i-tabs&ver=5.0.2:2)
at Function.ready (load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,jquery-ui-draggable,jquery-u&load[]=i-tabs&ver=5.0.2:2)
at HTMLDocument.K (load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,jquery-ui-draggable,jquery-u&load[]=i-tabs&ver=5.0.2:2)
main.js?ver=3.1.2:190 Uncaught TypeError: Cannot read property 'has' of undefined
at Types.page.extension.relatedContent.Class.self.getModelData (main.js?ver=3.1.2:190)
at self.init (main.js?ver=3.1.2:40)
at r (head.min.js?ver=3.2.3:10)
at Array.<anonymous> (head.min.js?ver=3.2.3:16)
at m (head.min.js?ver=3.2.3:10)
at head.min.js?ver=3.2.3:16
at r (head.min.js?ver=3.2.3:10)
at Array.<anonymous> (head.min.js?ver=3.2.3:12)
at m (head.min.js?ver=3.2.3:10)
at p (head.min.js?ver=3.2.3:12)