Can’t display errors in attachment_fields_to_save

At the time this is a known bug

https://core.trac.wordpress.org/ticket/30687

Related Posts:

  1. How can I append custom data to images in the editor?
  2. Saving Custom Field in Attachment Window in WordPress 3.5
  3. Save attachment custom fields on front end
  4. $form_fields from attachment_fields_to_edit returning empty array
  5. Custom field in media library not saving, selected() function not adding “selected” to select list input type
  6. Adding fields to attachment – only shows when inserting new attachments
  7. Custom classes for attachments
  8. Adding thumbnails for non-image attachments
  9. How to enable custom fields for pages (if not a bad practice)?
  10. Add a Jquery Datepicker to custom field in post edit
  11. How can I avoid re-inventing the Custom Fields wheel in my Plugin’s Metabox?
  12. Using wordpress post data as input for google visualisations
  13. Does wordpress have something like content-type?
  14. Order Posts by Closest Numeric Values
  15. How to get and edit custom fields if in Quick Edit
  16. Order posts by custom field and if custom field is empty return remaining posts
  17. Guest Author – How can I use custom fields to create guest author link?
  18. Create additional short URL with custom field and 301 redirect
  19. Create custom field on post draft or publish?
  20. get_post_meta fields don’t show up on posts page
  21. Using custom fields in a filter hook
  22. Adding a prefix to a post title
  23. Add a post meta key and value only if it does not exist on the post
  24. Function to change meta value in database for each post
  25. Sorting posts by multiple values, combined
  26. Include woocommerce custom field value in front-end search result
  27. WP_Meta_Query causing long-running MySQL queries
  28. trim custom field text value and show (…)
  29. Duplicate posts being displayed when querying Custom Fields
  30. How to validate custom field on lost password form before the user id field?
  31. Json api does not return all metadata
  32. Use custom field as a variable
  33. MySQL Query that looks for post with Custom Field, then changes Category
  34. ACF: How to get the full field name (meta_key) by a field key?
  35. Woocommerce: Custom fields and email shortcodes, ec_custom_field
  36. Tweak Meta for Post to work it for Pages also
  37. Create Pop-Up Box with Custom Field Content Inside the Loop
  38. Adding an editable field to template?
  39. Transferring author information from a custom field to a proper author
  40. How to select posts from multiple categories and metavalues?
  41. modify wordpress caption shortcode
  42. jQuery – Automatic event trigger does not **really** check my form
  43. More efficient to add content to custom fields or the content area?
  44. Custom field query without duplicates results
  45. Outputing a metabox textarea and avoid line breaks inside li tags
  46. Restrict WordPress Search to Custom Field
  47. how to display an excerpt of the latest post on the homepage?
  48. How to add a custom field to a post created programmatically?
  49. How to mass update custom fields for more than 20k posts
  50. remove initial wysiwyg editor from cms page edit
  51. Custom post type missing custom fields
  52. Problem with saving large amount of data in postmeta/usermeta
  53. How to get posts with a metadata numeric key greater than X?
  54. List all unique custom field values?
  55. “Matching” or “Linking” Two WordPress Pages: Custom Fields?
  56. Build index page from custom fields
  57. Meta_query ‘compare’ => ‘LIKE’ not working?
  58. Modify date query by URL parameter using pre_get_posts and $_GET
  59. Get text from user and display it on page
  60. Upload & include specific JavaScript files for posts?
  61. If metabox has content display content
  62. Custom meta boxes not saving
  63. help for user login
  64. The best way to collision check in WP
  65. How to change permalink on headlines in rss feeds?
  66. Listing the most popular 8 city (custom fields) as used in posts
  67. How to delete file uploaded by Plupload
  68. Display Meta Data with HTML?
  69. How to store meta field values
  70. Displaying custom field meta within WP_query loop
  71. Order by custom date field
  72. Group Posts By Custom Meta Value: Date
  73. Meta field bulk editing no longer working in WP 6.0 [closed]
  74. Custom Field: how to save array of multiple key-values in WordPress
  75. How can I detect user’s timezone?
  76. ACF field group not showing in page
  77. Filter post style attribute
  78. Delete user meta but only if found in array
  79. Arrays in custom fields or is there a better way?
  80. Weird custom fields data lost
  81. Metabox/Custom fields are not saving input data
  82. meta_query to check all custom fields
  83. Showing the post only when there is title, thumbnail and the content in Custom Fields
  84. Show Custom Taxonomy as Headline for related posts
  85. Custom field group on page
  86. Saved Post Meta Array Returns as String
  87. display Flexible Fields from options
  88. Thirtieth century date for a post
  89. change attachment custom field onChange event
  90. Custom field in external Javascript
  91. How to filter post using custom feild value in shortest and longest duration?
  92. list pages by custom_field?
  93. Get custom field from page, in a post?
  94. show custom field content in jquery tabs
  95. Make Custom Fields Public in JSON – API
  96. Advenced custom fields auto fill problem
  97. Show only first image of multiple image field
  98. Custom Fields after update to WordPress 6
  99. Multiple permalinks for a single post from custom field
  100. Search for meta_query does not return any result if combined with title