{"id":910,"date":"2019-05-21T10:13:19","date_gmt":"2019-05-21T10:13:19","guid":{"rendered":"http:\/\/smohub.com\/blog\/?p=910"},"modified":"2019-05-21T10:13:19","modified_gmt":"2019-05-21T10:13:19","slug":"5-most-common-problems-of-wordpress-and-solution","status":"publish","type":"post","link":"https:\/\/smo.vn\/blog\/5-most-common-problems-of-wordpress-and-solution\/","title":{"rendered":"5 Most Common Problems of WordPress and Solution"},"content":{"rendered":"

If you just entered your website and got an error message, or even worse, a white screen,\u00a0don\u2019t fret!<\/strong>\u00a0For some reason,\u00a0there\u2019s an error on your WordPress and you\u2019ll have to correct it<\/strong>. On today\u2019s post I will introduce the 5 most common problems, some of their possible causes, and how to solve them.<\/p>\n

1. The White Screen of Death (WSOD)<\/h2>\n

Plugins<\/h3>\n

If you continue to have access to the WordPress dashboard, then solving this problem is quite simple. Just go to the section of plugins and\u00a0deactivate the last plugin you have installed.<\/strong>\u00a0If this doesn\u2019t solve the problem, it is possible that the error is being generated by another plugin, so we have to figure out which one it is. To do so,\u00a0deactivate all the plugins at once<\/strong>\u00a0(you can use the selection box on top of the plugin table to mark them all and then select the action\u00a0Deactivate<\/em>). Following,\u00a0you can activate the plugins one by one until you find which on is failing<\/strong>.<\/p>\n

If you don\u2019t have access to the desktop, we\u2019ll have to\u00a0deactivate the plugins via FTP<\/strong>. Using your preferred FTP client (or, as before, the tool you have to manipulate the files of your WordPress server), go to the directory\u00a0wp-content<\/code>\u00a0and change the name of the folder\u00a0plugins<\/code>\u00a0to\u00a0plugins-debug<\/code>. After changing the name, go to your site to verify that everything is working fine. To activate the plugins one by one, go back to the directory\u00a0plugins<\/code>\u00a0(remember that we just changed the name to\u00a0plugins-debug<\/code>\u00a0and therefore the directory\u00a0plugins<\/code>\u00a0doesn\u2019t exist) and move the plugins from\u00a0plugins-debug<\/code>\u00a0to\u00a0plugins<\/code>, so that you can find which one is not working. Once you finish, you can get rid of the directory\u00a0plugins-debug<\/code>,\u00a0<\/strong>which should now be empty.<\/p>\n

Once you have identified what plugin that is causing the problems, you have several options:<\/p>\n

    \n
  1. Install a previous version that you know doesn\u2019t fail<\/strong>\u00a0(and avoid updating it).<\/li>\n
  2. Contact the developer,\u00a0<\/strong>explain your problem and ask\u00a0them to correct their\u00a0plugin.\u00a0<\/strong><\/li>\n
  3. Replace the plugin\u00a0<\/strong>with another one with the same feature\u2026 but without blank screens, of course\u00a0<\/strong><\/li>\n<\/ol>\n

    Themes<\/h3>\n

    If we haven\u2019t managed to get rid of the white screen by deactivating the plugins, it\u2019s very possible that the theme is what is failing. Just as in the case of the plugins,\u00a0if your website stopped working overnight because of a theme, it\u2019s either because\u00a0your theme has been updated and the update has an error, or because you\u2019ve edited something manually and you\u2019ve made a mistake.<\/strong><\/p>\n

    To analyze whether the white screen is generated by a theme, we\u2019ll follow the same steps we did for the plugins. Access the directory\u00a0wp-content\/themes<\/code>\u00a0<\/strong>and change the name of the directory of your theme (for example, from\u00a0my-theme<\/code>\u00a0to\u00a0my-theme-debug<\/code>) so that WordPress thinks you have uninstallated the theme, and so is obliged to use the default theme (like\u00a0Twenty Seventeen<\/em>).<\/p>\n

    Once you know the problem is caused by the theme, you can take the following actions to correct it:<\/p>\n

      \n
    1. If you have edited the theme manually\u00a0<\/strong>(usually by adding or modifying it from the file\u00a0<\/b>functions.php<\/code>),\u00a0I recommend you get rid of the changes.<\/strong>\u00a0If you\u2019re not sure of what you\u2019ve done or how to go back to the previous state, then reinstall the theme from scratch. And remember that before touching anything of your WordPress (especially if we\u2019re talking about code) it\u2019s very important to make\u00a0a backup; if something goes wrong, the backup will allow us to go back to the previous state in just a few minutes.<\/li>\n
    2. Contact the author of the theme and ask for help.\u00a0<\/strong><\/li>\n
    3. Use another theme.\u00a0<\/strong><\/li>\n<\/ol>\n

      If All of this Fails\u2026 Activate PHP\u2019s DEBUG Mode!<\/h3>\n

      The best thing that can happen is that none of the previous actions corrects your solution. But it can also happen that they allow you to identify what\u2019s wrong, but you don\u2019t know how to correct it. In these cases, what should we do?\u00a0Well,\u00a0the only thing\u00a0we can do is trying to get more information about the problem.<\/strong>\u00a0To do so, open the file\u00a0wp-config.php<\/code>\u00a0and search the following line:<\/p>\n

      define( 'WP_DEBUG', false );\r\n<\/pre>\n
      Once you\u2019ve located it, add\u00a0\/\/<\/code>\u00a0at the beginning:<\/p>\n
      \/\/ define( 'WP_DEBUG', false );\r\n<\/pre>\n
      so that it becomes a comment. Next, add the following statements:<\/p>\n
      define( 'WP_DEBUG', true );\r\ndefine( 'WP_DEBUG_LOG', true );\r\n<\/pre>\n
      which will activate the information of PHP\u2019s DEBUG. Thanks to this, when you access your website you won\u2019t see a white screen anymore, but you\u2019ll be able to see the errors in the PHP code\u00a0that are keeping your website from properly working, as well as the files and lines where the errors are.<\/p>\n
      If you don\u2019t want this information to appear on your website, you can avoid it showing\u00a0on the browser and make it appear in a log file by adding these two additional lines:<\/p>\n
      define(  'WP_DEBUG_DISPLAY', false );\r\n@ini_set( 'display_errors', 0 );\r\n<\/pre>\n
      With them, all the log information will appear in a file called\u00a0error.log<\/code>, which you will find in the directory\u00a0wp-content<\/code>.<\/p>\n
      2. INTERNAL SERVER ERROR<\/h2>\n
      Sometimes, your server responds with an\u00a0error 500, Internal Server Error<\/strong>. In those cases, the best thing you can do is get up, go get a coffee and come back with a lot of patience because\u00a0it could be anything.<\/strong><\/p>\n
      Again, Blame One of the Plugins, a Theme, or Exhausted Memory<\/h3>\n
      Yes, sometimes errors introduced by plugins or themes don\u2019t end up in\u00a0a white screen, but show\u00a0the feared error 500 instead. In these cases, the only thing you can do is repeat the steps we have described in the previous actions\u2026<\/p>\n
      Correct the File\u00a0.htaccess<\/code><\/h3>\n
      It\u2019s not a plugin\u2018s fault? Nor a theme\u2019s? Well, don\u2019t despair\u2014maybe what failed was your\u00a0.htaccess<\/code>\u00a0file. In these cases\u00a0it\u2019s better to start from scratch.<\/strong>\u00a0Access the system of your WordPress files via FTP and change its name to, for instance,\u00a0.htaccess_backup<\/code>. If you can\u2019t find it, it\u2019s probably hidden; make sure you select the option \u201cShow hidden files<\/em>\u201d on your FTP program.<\/p>\n
      Once you\u2019ve \u201cdeleted\u201d the file (in reality, we\u2019ve just changed its name\u00a0), go the dashboard of\u00a0WordPress \u00bb Settings \u00bb Permalinks\u00a0<\/em>and press\u00a0Save changes<\/em>. The change in settings automatically regenerates the file\u00a0<\/span>.htaccess<\/code>, and so this way you can validate that the new version works correctly.<\/p>\n
      3. ERROR ESTABLISHING DATABASE CONNECTION<\/h2>\n
      Another typical error we may find. This is usually an error of the server, but sometimes it\u2019s something as stupid as not having changed the user and\/or the password of the database, and so WordPress cannot access it.<\/p>\n
      Review the file wp-config.php<\/h3>\n
      The first thing you have to do is check if the error appears only on the public part of your website or also on the dashboard\u00a0(wp-admin<\/code>).<\/p>\n
      A)<\/strong>\u00a0If it only comes up on the public side, and in addition you see a text like \u201cthe database needs to be repaired<\/em>\u201c, then you just need to add the following line to your file\u00a0wp-config.php<\/code>:<\/p>\n
      define(  'WP_ALLOW_REPAIR', true );\r\n<\/pre>\n
      Next, visit this page of your website\u00a0http:\/\/yoursite.com\/wp-admin\/maint\/repair.php<\/strong><\/code>\u00a0and follow the steps to repair the database. Once you\u2019ve finished, don\u2019t forget to eliminate the line we just added to\u00a0wp-config.php<\/code>.<\/p>\n
      B)<\/strong>\u00a0If you\u2019ve changed the user name or the password of your database, make sure the information in\u00a0wp-config.php<\/code>\u00a0on the database is correct:<\/p>\n
      define( 'DB_NAME', 'database-name' );\r\ndefine( 'DB_USER', 'database-username' );\r\ndefine( 'DB_PASSWORD', 'database-password' );\r\ndefine( 'DB_HOST', 'localhost' );\r\n<\/pre>\n
      In the previous example, I took\u00a0it for granted that the server with\u00a0the database is the one executing WordPress (hence, the use of\u00a0localhost<\/em>), but this is not always true.<\/p>\n
      Contact Your Hosting Provider<\/h3>\n
      If nothing solves the problem, or the error appeared after a peak in traffic, then it\u2019s very possible that it is your hosting provider that\u2019s stopping\u00a0the access to the database. Contact them and ask them for help\u2014it\u2019ll be quicker and easier!<\/p>\n
      4. Error with Automatic Updates<\/h2>\n
      WordPress 3.7 introduced the automatic updates with the aim of promoting better safety and facilitating the implementation of new versions. By default, only minor updates (those of maintenance or safety) are automatically done. Sometimes, these updates fail. Keep in mind that they\u2019re carried out without any human interaction. So how can we know if there\u2019s been a problem in them? Well, because of the following reasons:<\/p>\n
        \n
      1. A PHP error appears<\/li>\n
      2. Your website has gone blank (again, the dreadful WSOD, about which we\u2019ve already talked)<\/li>\n
      3. There is a notice informing you of the error<\/li>\n<\/ol>\n
        There are several reasons why the automatic update may fail, but the most common ones are a weak\u00a0internet connection, or that the permissions of the files and directories are not the suitable ones, and so they cannot be overwritten with the new version..<\/p>\n
        5. WordPress Posts with Error 404<\/h2>\n
        One of the most frustrating errors comes up\u00a0when we try to access the posts of our blog or a page on our website and we obtain the error 404. This type of errors appear when the server doesn\u2019t find the source we\u2019re asking for, either because it doesn\u2019t exist or because it doesn\u2019t know where to look for it. In the case of WordPress, the most probable cause\u00a0is that the file\u00a0.htaccess<\/code>\u00a0is corrupt. Let\u2019s see what we can do to repair this!<\/p>\n
        Correcting Our Permalinks<\/h3>\n
        We have already seen how to make WordPress automatically regenerate the file\u00a0.htaccess<\/code>. If this doesn\u2019t solve our problem (to be honest, I\u2019d be surprised if it didn\u2019t), we can try to create it manually and add the following content:<\/p>\n
        # BEGIN WordPress\r\n<IfModule mod_rewrite.c>\r\nRewriteEngine On\r\nRewriteBase \/\r\nRewriteRule ^index.php$ - [L]\r\nRewriteCond %{REQUEST_FILENAME} !-f\r\nRewriteCond %{REQUEST_FILENAME} !-d\r\nRewriteRule . \/index.php [L]\r\n<\/IfModule>\r\n# END WordPress\r\n<\/pre>\n
        Final Word<\/h2>\n
        In my experience, the solutions I wrote about in this post will help you solve the majority of the problems that you will encounter. However, unfortunately there are other errors that are less common or more complex to solve that I have left out of this post. For those, I recommend you take a look at the<\/p>\n","protected":false},"excerpt":{"rendered":"
        If you just entered your website and got an error message, or even worse, a white screen,\u00a0don\u2019t fret!\u00a0For some reason,\u00a0there\u2019s an error on your WordPress and you\u2019ll have to correct it. On today\u2019s post I will introduce the 5 most common problems, some of their possible causes, and how to solve them. 1. The White […]<\/p>\n","protected":false},"author":5,"featured_media":911,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,5],"tags":[],"class_list":["post-910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-wordpress-tips"],"yoast_head":"\n5 Most Common Problems of WordPress and Solution<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/smo.vn\/blog\/5-most-common-problems-of-wordpress-and-solution\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5 Most Common Problems of WordPress and Solution\" \/>\n<meta property=\"og:description\" content=\"If you just entered your website and got an error message, or even worse, a white screen,\u00a0don\u2019t fret!\u00a0For some reason,\u00a0there\u2019s an error on your WordPress and you\u2019ll have to correct it. 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