40 Most Common Errors in WordPress and How to Fix Them

While WordPress is really easy to use, there are some common WordPress errors that can make you panic. The good thing is that the WordPress error you are seeing on your site is most likely been reported and resolved by someone before you. At WPBeginner, we have written tutorials on how to fix several popular WordPress errors. In this article, we will cover the 40 most common WordPress errors along with showing you how to fix all of these common WordPress errors.

Table of Contents

  1. How to fix internal server error
  2. How to fix syntax error in WordPress
  3. How to fix the error establishing database connection in WordPress
  4. How to fix WordPress white screen of death
  5. How to fix WordPress posts returning 404 error
  6. How to fix sidebar below content error in WordPress
  7. How to fix white text and missing buttons in WordPress visual editor
  8. How to fix WordPress memory exhausted error by increasing PHP memory limit
  9. What to do when you are locked out of WordPress admin area
  10. How to fix WordPress login page refreshing/redirecting issue
  11. How to fix image upload issue in WordPress
  12. How to fix common image issues in WordPress
  13. How to fix “Are you sure you want to do this” error in WordPress
  14. How to fix briefly unavailable for scheduled maintenance error in WordPress
  15. How to fix WordPress not sending email issue
  16. How to fix WordPress RSS feed errors
  17. How to fix 403 forbidden error in WordPress
  18. How to fix error too many redirects issue in WordPress
  19. How to fix “Upload: failed to write file to disk” error in WordPress
  20. How to fix “This site ahead contains harmful programs” error in WordPress
  21. How to fix missed scheduled post error in WordPress
  22. How to fix fatal error: Maximum execution time exceeded in WordPress
  23. How to fix Facebook incorrect thumbnail issue in WordPress
  24. How to fix WordPress keeps logging out problem
  25. How to Fix the Mixed Content Error in WordPress
  26. How to Fix Add Media Button Not Working in WordPress
  27. How to Fix the 502 Bad Gateway Error in WordPress
  28. How to Fix 503 Service Unavailable Error in WordPress
  29. How to Fix the 504 Gateway Timeout Error in WordPress
  30. How to Fix the WordPress Failed to Open Stream Error
  31. How to Fix the WordPress 429 Too Many Requests Error
  32. How to Fix the 413 Request Entity Too large Error in WordPress
  33. How to Turn Off PHP Errors in WordPress
  34. How to Fix Secure Connection Error in WordPress
  35. How to Fix Destination Folder Already Exists Error in WordPress
  36. How to Fix ‘Another Update in Process’ Error in WordPress
  37. How to Fix Password Reset Key Error in WordPress
  38. How to Fix “Missing a Temporary Folder” Error in WordPress
  39. How to Fix Pluggable.php File Errors in WordPress
  40. Troubleshooting WordPress errors on your own

1. How to Fix Internal Server Error

Perhaps the most confusing WordPress error that a beginner may come across is “Internal Server Error”, or sometimes “500 Internal Server Error”.

This error usually appears when there is something wrong, but the server is unable to identify where the problem is. Since the error message does not indicate where you should look for the error, it is pretty much up to you to figure this out.

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