Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, bool given in /var/www/vhosts/nianbattery.com/httpdocs/wp-content/plugins/polylang/modules/sync/sync-post-metas.php:78
Stack trace:
#0 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/plugins/polylang/modules/sync/sync-post-metas.php(78): array_unique()
#1 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/plugins/polylang/modules/sync/sync-metas.php(271): PLL_Sync_Post_Metas->get_metas_to_copy()
#2 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/class-wp-hook.php(310): PLL_Sync_Metas->update_meta()
#3 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters()
#4 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action()
#5 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/meta.php(290): do_action()
#6 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/post.php(2548): update_metadata()
#7 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/themes/petroco/inc/post-view.php(11): update_post_meta()
#8 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/themes/petroco/inc/post-view.php(22): wpb_set_post_views()
#9 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/class-wp-hook.php(310): wpb_track_post_views()
#10 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters()
#11 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action()
#12 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/general-template.php(3053): do_action()
#13 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/themes/petroco/header.php(11): wp_head()
#14 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/template.php(785): require_once('...')
#15 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/template.php(720): load_template()
#16 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/general-template.php(48): locate_template()
#17 /var/www/vhosts/nianbattery.com/httpdocs/wp-content/themes/petroco/single.php(2): get_header()
#18 /var/www/vhosts/nianbattery.com/httpdocs/wp-includes/template-loader.php(106): include('...')
#19 /var/www/vhosts/nianbattery.com/httpdocs/wp-blog-header.php(19): require_once('...')
#20 /var/www/vhosts/nianbattery.com/httpdocs/index.php(17): require('...')
#21 {main}
thrown in /var/www/vhosts/nianbattery.com/httpdocs/wp-content/plugins/polylang/modules/sync/sync-post-metas.php on line 78