Fatal error: Uncaught Error: Call to undefined function __() in /var/www/html/wp-includes/class-wp-taxonomy.php:607
Stack trace:
#0 /var/www/html/wp-includes/taxonomy.php(677): WP_Taxonomy::get_default_labels()
#1 /var/www/html/wp-includes/class-wp-taxonomy.php(486): get_taxonomy_labels(Object(WP_Taxonomy))
#2 /var/www/html/wp-includes/class-wp-taxonomy.php(290): WP_Taxonomy->set_props('post', Array)
#3 /var/www/html/wp-includes/taxonomy.php(493): WP_Taxonomy->__construct('category', 'post', Array)
#4 /var/www/html/wp-includes/taxonomy.php(82): register_taxonomy('category', 'post', Array)
#5 /var/www/html/wp-settings.php(443): create_initial_taxonomies()
#6 /var/www/html/wp-config.php(79): require_once('/var/www/html/w...')
#7 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#8 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#9 /var/www/html/index.php(1): require('/var/www/html/w...')
#10 {main}
thrown in /var/www/html/wp-includes/class-wp-taxonomy.php on line 607