Incomplete page when clicking on arcade.php

[armkbdotcom]

Clicking on arcade.php brings the following incomplete page, starting from...

<!-- arcade welcome -->
<table cellpadding="20" cellspacing="0" border="0" class="tborder" width="100%" align="center">
<tr>
<td> <table cellpadding="6" cellspacing="1" border="0" width="100%">
<tr align="center">
<td class="thead" width="20%">
<span class="smallfont"><b>Logged in</b> as</span></td>
<td class="thead" width="40%"><span class="smallfont"><b>Welcome</b> to the <b>Arcade</b>!</span></td>
<td class="thead" width="40%"><span class="smallfont">Arcade <b>News & Events</b></span></td>
</tr>
<tr align="center">
<td class="alt1" width="20%" valign="middle">
...