Hook pll_after_languages_cache is deprecated since version 3.4 with no alternative available

The error you’re seeing is a deprecated notice, which means that the particular hook “pll_after_languages_cache” is no longer recommended for use and will likely be removed in future versions of the software. Deprecated notices are not necessarily dangerous, but they indicate that the code you’re using may not be compatible with future versions of WordPress or the Polylang plugin.

To resolve this issue, you have a few options:

  1. Update Polylang: Ensure that you’re using the latest version of the Polylang plugin. Developers often release updates to address deprecated code and provide alternative solutions. Updating the plugin may resolve the issue and eliminate the deprecated notice.
  2. Check for plugin/theme compatibility: If you’re using other plugins or a custom theme alongside Polylang, there may be a compatibility issue causing the deprecated notice. Disable other plugins and switch to a default theme temporarily to see if the error persists. If it doesn’t, then one of the plugins or the theme you were using may need an update or a fix to work properly with the latest version of Polylang.
  3. Contact the plugin developer: If updating Polylang and checking for compatibility issues doesn’t resolve the problem, it’s a good idea to reach out to the Polylang plugin developer. They will have the most knowledge about the issue and can provide guidance on how to address the deprecated notice.

In any case, while the deprecated notice itself may not pose an immediate danger, it’s important to keep your WordPress installation, plugins, and themes up to date to ensure security and compatibility with future versions of the software.

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