title: How to fix WordPress kses error and fatal error handler
body: <p>I'm new at making website. Even I only know Html Coding. I'm running a website using WordPress, but it is facing problem everyday at same time. Everyday at the same time site is showing Http 500 error.</p>
  
  <p>So as I don't know any kind of coding, every day I have to delete WordPress from my site then again have to install it then I have to restore website using Updraftplus. But I want to fix this oroblem.</p>
  
  <p>I have an option in my cPanel called "Errors". I find this error from there.</p>
  
  <p><img src="https://i.stack.imgur.com/9iCRX.png" alt="Here Is The Image Of Which Problem I&#39;m Facing."></p>
  
  <p>I copied what there was said:</p>
  
  <p>1st error: </p>
  
  <blockquote>
    <p>[Mon Dec 23 03:46:44.895719 2019] [lsapi:error] [pid 1014092:tid 47766993704704] [client 141.8.188.1:46957] [host gokumovie.com] Backend fatal error: PHP Fatal error:  Uncaught Error: Call to undefined function esc_url() in /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php:190\nStack trace:\n#0 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false)\n#1 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false)\n#2 [internal function]: WP_Fatal_Error_Handler->handle()\n#3 {main}\n  thrown in /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php on line 190\n</p>
  </blockquote>
  
  <p>2nd error : </p>
  
  <blockquote>
    <p>Backend fatal error: PHP Fatal error:  Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /home/gokumovi/public_html/wp-includes/formatting.php:4316\nStack trace:\n#0 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(190): esc_url('<a href="https://wordpre" rel="nofollow noreferrer">https://wordpre</a>...')\n#1 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false)\n#2 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false)\n#3 [internal function]: WP_Fatal_Error_Handler->handle()\n#4 {main}\n  thrown in /home/gokumovi/public_html/wp-includes/formatting.php on line 4316\n</p>
  </blockquote>