Fatal error: Uncaught ValueError: mb_strtolower(): Argument #2 ($encoding) must be a valid encoding, " ��" given in /home/mirabva08/public_html/wp-includes/formatting.php:2282
Stack trace:
#0 /home/mirabva08/public_html/wp-includes/formatting.php(2282): mb_strtolower('category_name', ' \xFB\xDF\x00\x00\x00\x00\x00\xC0\xC1N\xCC5\x7F\x00...')
#1 /home/mirabva08/public_html/wp-includes/class-wp-taxonomy.php(378): sanitize_title_with_dashes('category_name')
#2 /home/mirabva08/public_html/wp-includes/class-wp-taxonomy.php(290): WP_Taxonomy->set_props('post', Array)
#3 /home/mirabva08/public_html/wp-includes/taxonomy.php(532): WP_Taxonomy->__construct('category', 'post', Array)
#4 /home/mirabva08/public_html/wp-includes/taxonomy.php(82): register_taxonomy('category', 'post', Array)
#5 /home/mirabva08/public_html/wp-settings.php(513): create_initial_taxonomies()
#6 /home/mirabva08/public_html/wp-config.php(101): require_once('/home/mirabva08...')
#7 /home/mirabva08/public_html/wp-load.php(50): require_once('/home/mirabva08...')
#8 /home/mirabva08/public_html/wp-blog-header.php(13): require_once('/home/mirabva08...')
#9 /home/mirabva08/public_html/index.php(17): require('/home/mirabva08...')
#10 {main}
thrown in /home/mirabva08/public_html/wp-includes/formatting.php on line 2282