Hi folks. please tell me what is wrong with this code. ----------------------------------------------------- <?php //Open a new connection to the MySQL server require_once "getprerentdb.php"; //MySqli Select Query $results = $mysqli->query("SELECT * FROM waitlist"); echo "<center>";echo date('m/d/y');echo "</center>"; ?> <!DOCTYPE html><html> <head></head> <body><center> <h3>515 Certification Expiration Report: 06/22/2020 - 06/22/2021</h3> <table border='1' cellpadding="4"> <thead> <tr> <th colspan=2></th> <th>movein</th> <th>effect</th> <th>expire</th> <th>days</th> <th colspan=3>recertification notification</th> <tr> <th>unit#</th> <th>resident name</th> <th colspan=3>date</th> <th>left</th> <th>90 day</th> <th>60 day</th> <th>30 day</th> </tr> </thead> <tbody> <?php /* -------------------------------------------------------------- */ while($row = mysqli_fetch_array($results)) { /* -------------------------------------------------------------- */ ?> <tr> <td><?php echo $data['unit']; ?></td> <td><?php echo $data['tenant']; ?></td> <td><?php echo $data['moveindate']; ?></td> <td><?php echo $data['effdate']; ?></td> <td><?php echo $data['expdate']; ?></td> <td><?php echo $data['daysleft']; ?></td> <td><?php echo $data['90date']; ?></td> <td><?php echo $data['60date']; ?></td> <td><?php echo $data['30date']; ?></td> <td><?php echo $data['late']; ?></td> <td><?php echo $data['comments']; ?></td> <td><?php echo $data['paidsum']; ?></td> </tr> <?php } ?> </tbody></table></center></body></html> HTML: ---------------------------------------------------------- result: 03/15/21 515 Certification Expiration Report: 06/22/2020 - 06/22/2021 Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\property\certlog.php on line 39 movein effect expire days recertification notification unit# resident name date left 90 day 60 day 30 day