Extending WP_Widget throws error when Monster Widget used

Monster Widget is a bit of a trap like that. Despite how it looks it doesn’t actually place “real” widgets into sidebar.

It is a single widgets that creates output of other widgets inside of itself. If you are significantly interfering with its expectations then it won’t pick up on changes, since it’s not engineered to do it.

You will likely need to use its monster-widget-config filter to modify configuration, excluding native widget and splicing your own in.

Related Posts:

  1. WP_Widget deprecated error in WordPress V4.3
  2. What is the quickest way to make a widget?
  3. Widget Options Not saving
  4. Complex widget form UI – examples and best practices
  5. Remove before_widget / after_widget content from Wp_Widget_Text
  6. How to listen to color changes on the color picker?
  7. Why will using __construct instead of widget_class_name when creating widget trigger out of memory error
  8. How to update widget from widget() function?
  9. Is It Possible to Restore Accidentally Deleted Widgets?
  10. How do I create a widget that only allows a single instance?
  11. how to extend a WP_widget twice
  12. Defer Code in Widgets – Page Speed
  13. How does the default recent posts widget work with cache?
  14. Add new section to “Right Now” widget
  15. Creating a admin widget for /wp-admin/post.php?
  16. Why won’t my custom widget stay in the sidebar after a reload?
  17. Notice: Undefined index: filter in …wp-includes/default-widgets.php on line 382
  18. How to save widget fields generated from an array?
  19. Remove image height/width attributes from Image Widget
  20. Debugging / displaying errors in WP_Widget->form()
  21. Add a specific css to a widget
  22. Save button is not working on custom widget
  23. In which folder can we find the core wordpress Widgets such as Menu Widget
  24. Enabled checkbox by default in WordPress widgets
  25. Got a problem with a widget
  26. SELECT field options disappear when saving widget
  27. Problem with WP_Query loop and search term
  28. Can I use wp_widget_rss_output to show my site’s feed in the dashboard?
  29. Custom tabs widget don’t work in google chrome, is blocked, do not change the tabs. Why?
  30. Extending Widgets – Exclude # of posts field from Recent Posts Widget
  31. How can I use the built in WordPress “browse link” functionality?
  32. Code for Recent Posts Widget
  33. Why do I get the timeout warning?
  34. Prevent widgets removal
  35. How to log plugin errors to plugin error_log file
  36. Is there a way to add more tags to the tag cloud?
  37. Modify recent post sidebar to show post thumbs with out plugins
  38. Why Can’t wp_editor Be Used in a Custom Widget?
  39. Updating to Version 4.5 bumped my “main sidebar” widget out of place
  40. How can I delete all inactive widgets?
  41. Call sidebar from a template
  42. Widget Area: Modify $param[‘xy’] from widget-$n
  43. Need help adding additional controls to a custom widget
  44. Why do none of my widgets have a title?
  45. How to limit wp_get_archives to show months for the X years only
  46. Adding a widget to a string of HTML
  47. Add ‘Right Now’ widget to custom dashboard
  48. Pass variables from one widget to another widget
  49. Radio buttons in widget not saving
  50. Why are Shortcodes Disabled in Widgets by Default?
  51. AJAX Contact Form Issue
  52. Including PHP files doesn’t work outside of Localhost
  53. Is there an official email form widget or block?
  54. Display sidebar only if it has content
  55. Post-specific widgets in WordPress ‘Twenty Fourteen’ theme
  56. Custom User Field in Dashboard Widget
  57. How can I get the first section of a page 100% width, while the rest will have a sidebar? [closed]
  58. Search widget will search everything in the site, how to limit to only search gallery name
  59. Modify ‘Sizes’ Attribute for Images with Specific Class
  60. Setup page on first login on multisite
  61. Issue understanding and using WordPress filters and actions
  62. How can I inject html after the [x]th widget inside a Sidebar? [duplicate]
  63. RSS dashboard widget not showing visuals
  64. Grabbing how Many Posts by Month for a Dashboard Widget
  65. Is it possible to remove from default category widget?
  66. ‘is_author()’ logic in widget for author only
  67. Widgets won’t save
  68. wp_dropdown_pages in widget form
  69. Customizing the Widget content markup
  70. Different sidebars not changing
  71. How do I create a template page with a specific widget as the content?
  72. Loading the native WordPress image uploader in custom widget
  73. How Migrate a Legacy Widget to block?
  74. Plugin showing error
  75. Creating a dynamic class name in my custom widget
  76. Want to add more option in “Sexy Login”
  77. WordPress Local to Live and The Missing Widgets!
  78. Extending the WordPress Recent Posts Widget
  79. delete widget upon uninstall
  80. How to paste widget to a specific page
  81. How do I find out which
  82. Unable to see Widget Submenu under Appearance with Class Based WP_Widget
  83. An archive widget, coming from nowhere on my posts and pages
  84. When editing in block editor, the post/article gets under the floating widgets
  85. Make widget with media upload repeatable
  86. Widget display in theme
  87. I accidentally added a widget area called sidebar 1
  88. How Can I Replicate & Register a Widget from the Child Theme
  89. Customize a widget position
  90. How to retrieve category ID’s from widget settings?
  91. How to create another widgets.php page
  92. Remove default WordPress widgets
  93. How to show widget in frontend?
  94. Widget Development – Displaying dropdown content
  95. WordPress function breaks widget’s markup?
  96. iframe/embed vid in text widget loads outside container and moves around when scrolling the page?
  97. menu in different page in different style
  98. Widget logic not working
  99. Theme Widget Area Defaults
  100. How to add the “page” post type to Recent Activity widget displayed in admin?