ERROR: SQLSTATE[HY000] [1129] Host '172.31.41.77' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'<br />
<b>Notice</b>:  Undefined variable: conn in <b>/var/www/vhosts/tenet.purchaseclinic.com/index.php</b> on line <b>41</b><br />
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<b>Fatal error</b>:  Call to a member function prepare() on null in <b>/var/www/vhosts/tenet.purchaseclinic.com/index.php</b> on line <b>41</b><br />