WordPress Error – White Page of Death – Function ‘theme_prefix_setup’ not found

Related Posts:

1. Cannot access non-wordpress subdirectories as wordpress overrides them with a 404 error
2. Showing errors with $wpdb update
3. Change login error messages
4. WP_DEBUG is not set, but I’m still getting warnings
5. How to disable the fatal error (WSOD) protection?
6. Unable to locate WordPress Content directory (wp-content)
7. Could not create directory /wp-content/upgrade/
8. Getting the warning: Missing argument 2 for manage_posts_custom_column()?
9. What log files does a WordPress installation write to?
10. How to display admin error notice if settings saved succesfully?
11. HTTPS leads to Sorry, you are not allowed to access this page
12. How to fix “There has been a critical error on your website. Please check your site admin email inbox for instructions”?
13. Notice: Undefined index: host in /var/www/html/wp-includes/canonical.php on line 445
14. What is the best way to monitor PHP functions/executions?
15. Notice: Use of undefined constant SCRIPT_DEBUG
16. Notice: Constant WP_POST_REVISIONS already defined
17. Uncaught ReferenceError:switchEditors is not defined
18. How to stop certain warning logging in error.log?
19. WordPress Redirecting to wp-admin/install.php
20. Error 404 Page Not Found When Updating a Post or Page
21. Debug mode shows Strict Standards
22. How to use WP_Error $data argument?
23. Is it possible to disable caching of an option when using w3 total cache?
24. Why on Earth am I getting “undefined_index” errors?
25. Showing error “Function create_function() is deprecated”
26. strange characters in wordpress website displayed for visitors [closed]
27. Debugging ‘Object of class WP_Query could not be converted to int’ error
28. How to fix ob_end_flush() error?
29. When does remove_filter not work?
30. wp_remote_get() not retrieving pages properly
31. error_log over 70GB. How to stop this? [closed]
32. $wpdb->insert Database Error Duplicate Entry Error Logging
33. Update wordpress fail – There has been a critical error on your website
34. This webpage is not available ERR_NAME_NOT_RESOLVED
35. Displaying oEmbed errors?
36. Getting headers already sent error from plugin
37. “Apache HTTP Service has stopped working” with WP Query in WordPress 2.9.2
38. Error 310 too many redirects after switching domains
39. How do I set up Debugging?
40. Error Logs to Diagnose Error 500 in LAMP
41. Add image only in first post
42. Error messages when adding code to function.php or trying to delete inactive plugin files
43. “Notice: Undefined index:” error when adding new content?
44. 418 header status, I’m a teapot [closed]
45. Showing “ Notice: Undefined variable:” and “ Notice: Trying to get property of non-object”
46. Publishing Time – WordPress Plain White Screen with No Error
47. Object of class WP_Error could not be converted to string
48. New WordPress Error Message – Not seen this before
49. Does wordpress have an error log?
50. WP_DISABLE_FATAL_ERROR_HANDLER vs WP_DEBUG ? What to use and when to use to see errors?
51. Handling duplicates with wp_insert_term()
52. Recommend a guide to catching plugin errors, please?
53. How to handle core code throwing notice on valid input?
54. Getting Warnings & Notices from Fresh WordPress 3.1.2 install
55. Call to undefined function get_header() in index.php
56. How can I create a custom page for this error?
57. List Category Posts plugin upgrade fails with fatal error
58. Sodium compat error
59. Fatal error: require(): Failed opening required ‘WP_DIRwp-blog-header.php’
60. What do these “Failed to import” errors mean and how do I fix it?
61. How to get a Custom 500 Error Page to show?
62. Dashboard Whitescreen of Death?
63. add_sub_menu page() to be replaced by add_theme_page()
64. Trying to get property of non-object in wp-includes/capabilities.php
65. How to use add_settings_error in register_setting callback
66. How can I find the cause of theme crashing Apache in Xampplite?
67. Allowed Memory Size Error in WordPress
68. Application passwords not working on localhost?
69. tb_show is not defined in advance custom field
70. WordPress home page doesn’t work, but other pages do. How to rectify?
71. Removing warnings and notices from production servers
72. Unexpected Output: register_activation_hook with namespace
73. WP Site Only Shows Javascript for Main Page
74. File available but giving 404 in wordpress
75. : Failed to load resource
76. WordPress Admin Dashboard Does Not Display Correctly
77. PHP notice coming from the WordPress core?
78. What does this error mean? WordPress database error: [MySQL server has gone away]
79. Warning: in_array() expects parameter 2 to be array, null given
80. Fatal error: Call to undefined function is_multisite()
81. Error trying to publish immediately. Post status = future (Missed schedule error)
82. Can’t Change Theme And White Screen When Activating Any Plugin
83. Get notified by email when Fatal error occurs on wordpress site?
84. Call to undefined function
85. Only on 404 page, get notice: trying to get property of non-object on nonce
86. Is there a way to avoid 404 pages in WordPress?
87. Form Post results in 404 Not Found [duplicate]
88. WordPress white screen with word ‘error’ [closed]
89. In big trouble – Allowed memory size of 268435456 bytes exhausted
90. “There doesn’t seem to be a wp-config.php file.” despite wp-config.php in root
91. Get PHP Fatal error on globalized $wpdb: Call to a member function insert() on a non-object- I have no clue. What to do?
92. File does not exist – wp-index.php
93. PHP Warning : A non-numeric value encountered
94. How to show the error causing the ‘There has been a critical error on your website’?
95. Wordpres debug.log PHP Notice: is_singular was called
96. media_buttons_context is deprecated
97. Warning: Declaration of QuietSkin::feedback error
98. White screen across whole of site including wp-admin
99. REST : how do you handle the rest_no_route error?
100. I need https::/mysite.com instead of https::/mysite.com/wordpress