Warning: mysqli_connect(): Error while reading greeting packet. PID=517012 in /home/c2800457/public_html/funciones.php on line 23

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /home/c2800457/public_html/funciones.php:23
Stack trace:
#0 /home/c2800457/public_html/funciones.php(23): mysqli_connect()
#1 /home/c2800457/public_html/funciones.php(246): conectar()
#2 /home/c2800457/public_html/new_review.php(4): buscarImagenesNoticia()
#3 {main}
  thrown in /home/c2800457/public_html/funciones.php on line 23