Title: Fatal error
Last modified: June 11, 2020

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# Fatal error

 *  [fprati](https://wordpress.org/support/users/fprati/)
 * (@fprati)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-3521/)
 * Hello,
    I keep having my log file filled with the messages below. I run php 7.4.
   x with WP 5.4.1 and 5.4.2. Is there anything I can to fix it, please?
 * Best regards
 * child 49059 said into stderr: “NOTICE: PHP message: PHP Fatal error: Uncaught
   Error: Cannot use object of type WP_Error as array in /wp-content/plugins/polylang/
   include/query.php:60”
    child 49059 said into stderr: “Stack trace:” child 49059
   said into stderr: “#0 /wp-content/plugins/polylang/include/query.php(65): PLL_Query-
   >have_translated_taxonomy()” WARNING: child 49059 said into stderr: “#1 /wp-content/
   plugins/polylang/include/query.php(168): PLL_Query->have_translated_taxonomy()”
   WARNING: child 49059 said into stderr: “#2 /wp-content/plugins/polylang/frontend/
   frontend.php(159): PLL_Query->filter_query()” WARNING: child 49059 said into 
   stderr: “#3 /wp-includes/class-wp-hook.php(287): PLL_Frontend->parse_query()”
   WARNING: child 49059 said into stderr: “#4 /wp-includes/class-wp-hook.php(311):
   WP_Hook->apply_filters()” WARNING: child 49059 said into stderr: “#5 /wp-includes/
   plugin.php(544): WP_Hook->do_action()” WARNING: child 49059 said into stderr:“#
   6 /wp-includes/class-wp-query.php(1078): do_action_ref_array()” WARNING: child
   49059 said into stderr: “#7 /var/www…”

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 * 0 replies
 * 1 participant
 * Last reply from: [fprati](https://wordpress.org/support/users/fprati/)
 * Last activity: [6 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-3521/)
 * Status: not resolved