这个错误提示是什么意思呢，如何查错和解决

<?php defined('SYSTEMPATH') || exit('No direct script access allowed'); ?>

ERROR - 2020-11-03 00:51:39 --> app_comment: 主键获取失败<br>https://www.gt-sjj.com/hao.php?s=comment&c=module&m=edit&dir=news&page=undefined

ERROR - 2020-11-03 00:52:19 --> app_comment: 主键获取失败<br>https://www.gt-sjj.com/hao.php?s=comment&c=module&m=edit&dir=news&page=undefined

ERROR - 2020-11-03 00:55:43 --> app_comment: 主键获取失败<br>https://www.gt-sjj.com/hao.php?s=comment&c=module&m=edit&dir=news&page=undefined

ERROR - 2020-11-03 00:56:23 --> app_comment: 主键获取失败<br>https://www.gt-sjj.com/hao.php?s=comment&c=module&m=edit&dir=news&page=undefined