[Warning] Error while sending SET_OPTION packet.

When I restart service mysqld in CWP, two (2) warnings appear:

Warning: Error while sending SET_OPTION packet. PID=837 in /usr/local/cwpsrv/htdocs/admin/include/functions.php(1) : eval()'d code(1) : eval()'d code on line 4
MySQL server has gone away
Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /usr/local/cwpsrv/htdocs/admin/include/functions.php(1) : eval()'d code(1) : eval()'d code on line 4

What's wrong with these warnings?

this is normal as CWP works with mysql and he lost connection