this error keep opoing up, which is anouying because well it doesn't really explain what wrong so i can fix it, so any help would be useful. it is meant to be a basic admin page for a website, so people can add news to it with out accessing the host server
<?php
/* Include Files *********************/
session_start();
include("sub/subDatabase.php");
include("sub/subList.php");
include("sub/subAddnews.php");
include("sub/subDelete.php");
include("sub/subDeleteall.php");
/*************************************/
?><html>
<body>
<?php
/****************** menu *********************************/
?>
<table border="1" align="center">
<tr>
<td>
<?php print "<a href=\"admin.php?action=list\">List News</a> "; ?>
</td>
<td>
<?php print "<a href=\"admin.php?action=add\">Add News</a> "; ?>
</td>
<td>
<?php print "<a href=\"admin.php?action=del\">Delete News</a> "; ?>
</td>
<td>
<?php print "<a href=\"admin.php?action=delall\">Delete all News</a> "; ?>
</td>
<td>
<?php print "<a href=\"admin.php?action=edit\">Edit News</a><br>"; ?>
</td>
</tr>
</table>
<table width="70%" height="90%" border="1" align="center">
<tr>
<td><h1>
<?php
/************************** List News **********************************/
if (isset($action) && $action == 'delall'){ deleteall(); }
/*********************** End of List News ******************************/
/************************** Add News ***********************************/
if (isset($action) && $action == 'add') {
?>
<form action="insert.php" method="post">
title <input type="text" name="title" />
content: <input type="text" name="news" height="50px"/>>
<input type="submit" />
</form>
<?php
}
/************************ End Add News *******************************/
/********************** Delete all record **********************/
if (isset($action) && $action == 'delall') { deleteall(); }
/******************** end of delete all ****************/
/********************* delete a record *****************/
if (isset($action) && $action == 'del') { delete(); }
/********************** end of delete a record ***************/
?></h1>
</td>
</tr>
</table>
