Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "kses_init" not found or invalid function name in /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#1 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/plugin.php(517): WP_Hook->do_action()
#2 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/pluggable.php(48): do_action()
#3 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/user.php(3690): wp_set_current_user()
#4 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/pluggable.php(70): _wp_get_current_user()
#5 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-content/plugins/email-subscribers/lite/includes/class-es-common.php(1790): wp_get_current_user()
#6 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-content/plugins/email-subscribers/lite/includes/classes/class-es-export-subscribers.php(21): ES_Common::ig_es_can_access()
#7 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-content/plugins/email-subscribers/lite/admin/class-email-subscribers-admin.php(470): Export_Subscribers->__construct()
#8 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/class-wp-hook.php(324): Email_Subscribers_Admin->plugins_loaded()
#9 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#10 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/plugin.php(517): WP_Hook->do_action()
#11 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-settings.php(559): do_action()
#12 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-config.php(83): require_once('...')
#13 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-load.php(50): require_once('...')
#14 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-blog-header.php(13): require_once('...')
#15 /mnt/web117/d2/81/59104581/htdocs/WordPress_01/index.php(28): require('...')
#16 {main}
  thrown in /mnt/web117/d2/81/59104581/htdocs/WordPress_01/wp-includes/class-wp-hook.php on line 324