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FATAL ERROR saving menu

Polylang · support · 2026-06-11T21:20:00+00:00

Polylang plugin evidence original source source API
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Fatal error : Uncaught ValueError: array_combine(): Argument #1 ($keys) and argument #2 ($values) must have the same number of elements in /home/tyvalmf/www/wp-content/plugins/polylang/src/nav-menu.php:133 Stack trace: #0 /home/tyvalmf/www/wp-content/plugins/polylang/src/nav-menu.php(133): array_combine(Array, Array) #1 /home/tyvalmf/www/wp-content/plugins/polylang/src/admin/admin-nav-menu.php(190): PLL_Nav_Menu->explode_location(‘primary___en___…’) #2 /home/tyvalmf/www/wp-content/plugins/polylang/src/admin/admin-nav-menu.php(240): PLL_Admin_Nav_Menu->update_nav_menu_locations(Array) #3 /home/tyvalmf/www/wp-includes/class-wp-hook.php(343): PLL_Admin_Nav_Menu->pre_update_option_theme_mods(Array) #4 /home/tyvalmf/www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #5 /home/tyvalmf/www/wp-includes/option.php(899): apply_filters(‘pre_update_opti…’, Array, Array, ‘theme_mods_enfa…’) #6 /home/tyvalmf/www/wp-includes/theme.php(1125): update_option(‘theme_mods_enfa…’, Array) #7 /home/tyvalmf/www/wp-admin/nav-menus.php(467): set_theme_mod(‘nav_menu_locati…’, Array) #8 {main} thrown in /home/tyvalmf/www/wp-content/plugins/polylang/src/nav-menu.php on line 133 PHP 8.4 Worpress 7.0 Polylang 3.8.4 Hello Would you please detail step by step how to reproduce this issue? Do you reproduce it with a non-customized theme (Twenty-Twenty-One) and only Polylang? Would you please share the debug.log generated by the error ? https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/ I would appreciate it if you could also share your site health report to know more about your website settings. https://wordpress.org/documentation/article/site-health-screen/#info Regards

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Sebastien SERRE 2026-06-15T07:37:00+00:00

Hello Would you please detail step by step how to reproduce this issue? Do you reproduce it with a non-customized theme (Twenty-Twenty-One) and only Polylang? Would you please share the debug.log generated by the error ? https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/ I would appreciate it if you could also share your site health report to know more about your website settings. https://wordpress.org/documentation/article/site-health-screen/#info Regards