Why is my Gutenberg block not saving and rendering the chessboard?

Related Posts:

1. Passing select control value to block
2. Passing RichText attributes to function onChange
3. How do I store information in a dynamic block in WordPress?
4. How to create custom embed block in gutenberg wordpress
5. How to use get_theme_mod in gutenberg editor wordpress?
6. How to add Internationalization in WordPress using Javascript/React?
7. how to disable blockrenderAppender inside all Innerblocks?
8. WordPress Gutenberg react make import of __experimentalUseInnerBlocksProps which is no more experimetal
9. Using SVN to upload plugin created with gutenberg blocks
10. How to add custom table style for table block in gutenberg editor
11. Gutenberg Block Style CSS Class Is Not Applying on Backend
12. Why is the ‘Gutenberg’ Plugin generating an ‘Inconsistent File Permissions’ error when other Plugins, with the same permissions, do not?
13. Set Multiple Meta Values as an Array Using dispatch( ‘core/editor’ ).editPost() Call in Gutenberg/JS
14. Use a custom block in another block
15. Gutenberg default attributes are empty when accessing in edit
16. Set Button in PluginDocumentSettingPanel Content (WordPress Gutenberg)
17. Has blocks gutenberg block multiples registers type in my Plugin
18. Fixed: Console.log twice in the edit function
19. How to resolve warning for `unstableOnSplit` prop on a DOM element in block editor
20. How to dynamically add template in Innerblock?
21. Block content rendering on the top just below body tag
22. Gutenberg: Dynamic Block – Show saved data in the editor
23. Create plugin with multiple blocks
24. How do I set register_meta for a specific CPT?
25. How do I save meta key value in the save function?
26. Update Content for a Custom Block Toolbar Button
27. Wrong block appender button showing
28. How to get custom setting from get_option and pass it in getEntityRecords in gutenberg block?
29. Vanilla javascript in custom gutenberg block not working
30. WordPress custom block: Link saved in database not retrieved when editing post
31. is_plugin_active function doesn’t exist
32. How can I find plugins’ slug?
33. My custom made plugin has “a new version available” which links to unrelated plugin
34. Where can I find a schema of wordpress plugin core architecture?
35. How to remove duplicate sub-menu name for top level menu items in a plugin?
36. WordPress Plugin Development from Scratch. How? [closed]
37. How to fetch serialized data from wordpress options
38. Passing URL parameters to WordPress pages and pretty url
39. WordPress network: set themes and plugins for new blog
40. How to get the custom page get_permalink?
41. Plugin translations problem
42. Advanced Custom Fields into functions.php
43. Admin-ajax.php is dying “0” without processing function
44. How do I register a stylesheet inside a WordPress widget?
45. WordPress register_activation_hook table creation not working
46. How to remove an Ajax action
47. nonces in custom oop plugin
48. Has anyone used require.js for handling plugin scripts?
49. Multiple files in a plugin
50. Wp die causing 500 Internal Server Error?
51. Gutenberg Blocks – Change EDIT part of the block using editor.BlockEdit filters. How to change the markup?
52. adding a new value to a serialized array in WP_option table
53. Redirect to a welcome page after updating plugin
54. Write to / remove from default .htaccess file from plugin?
55. What is the best way to mimic a search query within a plugin
56. Remove rewrite rules generated by plugin during deactivation‎
57. Call to a member function have_posts() on a non-object on normal loop
58. Not able to add option in Sub-Menu under page
59. jQuery for custom plugin not working with Divi theme
60. How to inform the user that the save was not successful?
61. php page not found for plugin options menu
62. Creating shortcodes in plugin
63. Create a plugin from within WordPress
64. Class variables not correct on page
65. Render content of multiple pages and their descendants
66. Why am I unable to load scripts in head in plugin?
67. Plugin Activation Error – The plugin generated 22 characters of unexpected output during activation
68. How to use the CSS of the WordPress core in the development of my administration page?
69. WordPress Object Oriented plugin development [closed]
70. How can I create a page as a draft from my plugin?
71. Elementor Combined all Sections into 1 Text Editor
72. Woocommerce plugin – How to create two versions of the same plugin with slightly different implementation for different users
73. Cron: Update four post at Hour
74. submit two file input fields in the same form
75. Unexpected character and syntax error on wp-includes/formatting.php [closed]
76. Error datatable whit ajax
77. Potential issue that plugin could have when it will be installed on several sites
78. working code, not working – Plugin Dev
79. category page multiple products add to cart any plugin available for woocommerce
80. Cannot view Custom Post Type no matter what I try
81. Nested Actions and Filters
82. How to use information from the database in the front-end?
83. echo plugin results on pages
84. register_activation_hook doesn’t fire at all
85. My ajax request don´t work and return 0
86. Method for creating many-to-one Relationships between custom posts and a single user?
87. Choose default template for a page with code
88. Resetting AUTO_INCREMENT primary key
89. Custom Page Templates for a complex application – code must sit in a plugin and not the Theme
90. Template redirect inside of plugin not redirecting
91. Validating values using Settings API?
92. How to call uninstall.php?
93. How to use a Must-Use plugin to hide a regular one and to hide itself?
94. WordPress plugin not eching popular posts
95. Check if MemberPress exists before add_action call
96. Load css classes after using ajax calls
97. Integrating WordPress Content into a jQuery Slider
98. Change weird Wp File structure
99. Display file contents within Plugin
100. When to store store plugin options as a single database record?