---
title: "Troubleshooting Blocks"
source: "https://docs.nexcess.com/category/kadence-blocks/troubleshooting-blocks/"
description: "Includes Resolving Autoplay Problems in Advanced Slider/Gallery Blocks, Troubleshooting Kadence Form (Adv) Email Delivery, Kadence Blocks Errors when SCRIPT_DEBUG is Enabled, Troubleshooting the “Update Failed: Service Unavailable” error when updating Kadence Pro plugins and Troubleshooting White/Blank Screens in the E…"
taxonomy: "category"
parent: "Kadence Blocks"
articles: "12"
---

# Troubleshooting Blocks

Includes Resolving Autoplay Problems in Advanced Slider/Gallery Blocks, Troubleshooting Kadence Form (Adv) Email Delivery, Kadence Blocks Errors when SCRIPT_DEBUG is Enabled, Troubleshooting the “Update Failed: Service Unavailable” error when updating Kadence Pro plugins and Troubleshooting White/Blank Screens in the E…

## Articles

- [Resolving Autoplay Problems in Advanced Slider/Gallery Blocks](https://docs.nexcess.com/software/kadence/autoplay-problems-in-advanced-slider-gallery-blocks.md): If the Advanced Gallery or Advanced Slider blocks are not autoplaying as expected, this is usually not a bug. This behavior can be intentional and related to yo…
- [Troubleshooting Kadence Form (Adv) Email Delivery](https://docs.nexcess.com/software/kadence/troubleshoot-kadence-form-adv-email-delivery.md): If you’ve configured a contact form using the Kadence Form (Adv) block and emails aren't coming through, there could be several reasons—most of which aren't rel…
- [Kadence Blocks Errors when SCRIPT_DEBUG is Enabled](https://docs.nexcess.com/software/kadence/blocks/block-errors-when-script-debug-is-enabled.md): Some users have reported encountering issues with Kadence Blocks when the SCRIPT_DEBUG constant is enabled in their WordPress configuration. This document outli…
- [Troubleshooting the “Update Failed: Service Unavailable” error when updating Kadence Pro plugins](https://docs.nexcess.com/software/kadence/troubleshoot-kadence-pro-update-failed-service-unavailable.md): If you are seeing the "Update failed: Service Unavailable" error while attempting to update your Pro plugins, it may be related to your plugin license. Follow t…
- [Troubleshooting White/Blank Screens in the Editor or Customizer](https://docs.nexcess.com/software/kadence/white-blank-screens-in-editor-or-customizer.md): If you’re working on your WordPress site and suddenly see a blank white screen where the editor or customizer should be, this can happen for a few different rea…
- [How to Download Previous Versions of the Kadence Theme and Plugins](https://docs.nexcess.com/software/kadence/download-previous-versions-of-kadence-theme-and-plugins.md): If you need to test with an earlier version of the Kadence theme or plugins, or you are troubleshooting an issue and want to compare behavior across versions, y…
- [Troubleshooting Query Loop (Adv) Blocks, Filters, and Search issues](https://docs.nexcess.com/software/kadence/blocks/troubleshoot-query-loop-adv-filters-and-search.md): The Query Loop (Advanced) block relies heavily on the WordPress REST API to dynamically load and filter content without refreshing the entire page. When the blo…
- [How to Recover a Broken Block](https://docs.nexcess.com/software/kadence/recover-a-broken-block.md): WordPress blocks can sometimes "break" and trigger the "This block contains unexpected or invalid content" message. When this happens, WordPress offers an "Atte…
- [Recommended Server Resources](https://docs.nexcess.com/software/kadence/recommended-server-resources.md): When working with WordPress, ensuring that your server's settings meet the minimum requirements is essential for a seamless experience on both the front end and…
- [Troubleshooting the “Error, Unable to access library database, please try re-syncing” error on the Kadence Blocks Design Library](https://docs.nexcess.com/software/kadence/blocks/unable-to-access-library-database-error.md): You may see the following error when opening the Kadence Design Library: “Error, Unable to access library database, please try re-syncing.”This indicates that y…
- [How to run the WordPress built-in database repair tool](https://docs.nexcess.com/software/kadence/run-wordpress-built-in-database-repair-tool.md): If you are encountering errors related to your WordPress database, WordPress includes a built-in repair tool that can help resolve database-related issues. This…
- [How to Force Reindex Advanced Queries](https://docs.nexcess.com/software/kadence/blocks/force-reindex-advanced-queries.md): Sometimes when you're using an Advanced Query Block, things like taxonomies or custom fields might not show up the way you expect. Normally, Kadence takes care…