This article discusses how to troubleshoot problems with Drupal.
Drupal is a complex piece of software with many components. If you encounter a problem running Drupal on your site, it can be difficult to know where to begin. Use the following techniques and guidance to help identify and solve problems with Drupal.
Modules can be a source of Drupal problems. By selectively disabling modules, you can determine which one is causing a problem. For information about how to do this, please see this article.
Drupal may display blank pages (sometimes referred to as the “white screen of death”) or content may be missing. For information about how to troubleshoot these types of problems, please see this article.
Here are some other common Drupal issues and information about how to troubleshoot them:
Your site may not be experiencing a specific problem or issue, but just running slowly in general. If so, you may want to consider installing the A2 Optimized plugin. It contains several optimizations that can significantly improve Drupal performance. For more information about the A2 Optimized plugin, please see this article.
The official Drupal site has many resources for troubleshooting Drupal problems. For more information, please visit https://www.drupal.org/troubleshooting.