[Resolved] datatable incorrect column count

<table id="example" class="table table-bordered table-striped table-sm">
                <?php if (isset($rows)) { ?>
                    <thead>
                        <tr>
                            <th colspan="16">Name: <?= $rows[0]['studentname']; ?> RollNo:  <?= $rows[0]['rollno']; ?></th>
                            <th colspan="16">Session: <?= getSessionById($sessionid); ?>  Class:  <?= getClassById($classid) ?>
                                 Section:  <?= getSectionByID($sectionid); ?>
                            </th>
                            <th></th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <th class="text-primary">Month</th>
                            <?php for ($i = 1; $i <= 31; $i++) { ?>
                                <th><?= $i; ?></th>
                            <?php } ?>
                            <td>Total</td>
                        </tr>
                        <?php foreach ($rows as $row) {
                            $l = 0;
                            $a = 0;
                            $t = 0;
                        ?>
                            <tr>
                                <td><?= $row['month']; ?></td>
                                <?php for ($i = 1; $i <= 31; $i++) {
                                    $field = 'day' . $i;  ?>
                                    <td><?= $row[$field] ?></td>
                                    <?php
                                    switch ($row[$field]) {
                                        case "L":
                                            $l += 1;
                                            break;
                                        case "A":
                                            $a += 1;
                                            break;
                                        case "T":
                                            $t += 1;
                                            break;
                                    }
                                    ?>
                                <?php } ?>
                                <td><?= "A=" . totalabsentiesM($row['enrollmentid'], 31, $row['month']) . ", L=" . totalleavesM($row['enrollmentid'], 31, $row['month']) . ""; ?></td>
                            </tr>
                        <?php  } ?>
                        <tr>
                            <td colspan="32"></td>
                            <td><?= "A=" . totalabsenties($row['enrollmentid'], 31) . ", L=" . totalleaves($row['enrollmentid'], 31) . ""; ?></td>
                        </tr>
                    </tbody>
                <?php  } ?>
            </table>