Update entity form edit

wp-content/plugins/esi-management/admin/modules/entity/partials/esi-management-entity-form.php

@@ -116,7 +116,7 @@ add_thickbox();
                         <label for="acquired-date"><?php _e( 'Acquired Date', 'esi' ); ?></label>
                     </th>
                     <td>
-                        <input type="date" name="acquired-date" id="acquired-date" class="regular-text" placeholder="<?php echo esc_attr( '', 'esi' ); ?>" value="<?php echo ($item)?esc_attr($item->acquired_date):''; ?>" required="required" />
+                        <input type="date" name="acquired-date" id="acquired-date" class="regular-text" placeholder="<?php echo esc_attr( '', 'esi' ); ?>" value="<?php echo ($item)?esc_attr($item->acquired_date):''; ?>" />
                     </td>
                 </tr>
                 <tr class="row-acquired-amount">