Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv() in /home/yasanir/public_html/panel/wp-content/plugins/pay_slip/vendor/symfony/polyfill-mbstring/Mbstring.php:416 Stack trace: #0 /home/yasanir/public_html/panel/wp-content/plugins/pay_slip/vendor/symfony/polyfill-mbstring/bootstrap80.php(45): Symfony\Polyfill\Mbstring\Mbstring::mb_check_encoding('a:8:{s:13:"admi...', 'ASCII') #1 /home/yasanir/public_html/panel/wp-includes/class-wpdb.php(3466): mb_check_encoding('a:8:{s:13:"admi...', 'ASCII') #2 /home/yasanir/public_html/panel/wp-includes/class-wpdb.php(3588): wpdb->check_ascii('a:8:{s:13:"admi...') #3 /home/yasanir/public_html/panel/wp-includes/class-wpdb.php(2826): wpdb->strip_invalid_text(Array) #4 /home/yasanir/public_html/panel/wp-includes/class-wpdb.php(2683): wpdb->process_fields('wp_options', Array, NULL) #5 /home/yasanir/public_html/panel/wp-includes/option.php(830): wpdb->update('wp_options', Array, Array) #6 /home/yasanir/public_html/panel/wp-includes/class-wp-roles.php(192): update_option('wp_user_roles', Array) #7 /home/yasanir/public_html/panel/wp-includes/capabilities.php(1045): WP_Roles->remove_role('HR') #8 /home/yasanir/public_html/panel/wp-content/plugins/pay_slip/includes/actions.php(303): remove_role('HR') #9 /home/yasanir/public_html/panel/wp-includes/class-wp-hook.php(324): add_roles_on_plugin_activation('') #10 /home/yasanir/public_html/panel/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #11 /home/yasanir/public_html/panel/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #12 /home/yasanir/public_html/panel/wp-settings.php(643): do_action('init') #13 /home/yasanir/public_html/panel/wp-config.php(96): require_once('/home/yasanir/p...') #14 /home/yasanir/public_html/panel/wp-load.php(50): require_once('/home/yasanir/p...') #15 /home/yasanir/public_html/panel/wp-blog-header.php(13): require_once('/home/yasanir/p...') #16 /home/yasanir/public_html/panel/index.php(17): require('/home/yasanir/p...') #17 {main} thrown in /home/yasanir/public_html/panel/wp-content/plugins/pay_slip/vendor/symfony/polyfill-mbstring/Mbstring.php on line 416