I do not understand the error, I have reviewed it repeatedly:
<?php
// File used so that shortened pages content can be edited when needed
// This will make instant changes on all the shortened pages content
$title = "mc-pe.us | $servername";
$metainfo = "<meta name='viewport' content='width=device-width, initial-scale=1.0'>
<meta name='description' content='Vote for $servername, a Minecraft: PE server registered at $mcpelist.'>
<meta name='url' content='https://mc-pe.us/$alias'>
<meta name='author' content=''>";
$favicon = "<link rel='shortcut icon' href='http://www.iconj.com/ico/a/7/a7v4gncdtg.ico'>";
$navbar = "<nav class='navbar navbar-default navbar-fixed-top' role='navigation'>
<!-- Brand and toggle get grouped for better mobile display -->
<div class='navbar-header'>
<button type='button' class='navbar-toggle' data-toggle='collapse' data-target='.navbar-ex1-collapse'>
<span class='sr-only'>Toggle navigation</span>
<span class='icon-bar'></span>
<span class='icon-bar'></span>
<span class='icon-bar'></span>
</button>
<a class='navbar-brand' href='/'>MCPE Shortener <span class='label label-danger'>BETA</span></a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class='collapse navbar-collapse navbar-ex1-collapse'>
<ul class='nav navbar-nav'>
<li><a href='/'>Home</a></li>
<li><a href='/create'>Create</a></li>
<li><a href='/premium'>Premium</a></li>
</ul>
</div><!-- /.navbar-collapse -->
</nav>";
$pagetitle = "Outgoing to voting page";
$pagedescription = "You will leave mc-pe.us to go to the $servername voting page. More detailed server information is available below. You will only be redirected when you touch the vote button.";
$serverdetails = "$servername is a Minecraft: PE server registered at $mcpelist. Probably by voting for this server you could receive rewards. <br> <br> If you wish, you can share the shortened URL with others to help the server owner get more players. It takes a few seconds and it's free.";
$aboutmc-peus = "<p>mc-pe.us is a popular URL shortening service focused on Minecraft: PE voting pages. Our goal is to offer you a simple, modern and fast service so you can have the best experience shortening URLs.<br> <br>With a simple domain, easy to remember aliases, support of high quality in case of technical problems and last-level security, mc-pe.us has become one of the URL shorteners most chosen by server owners.</p>";
$footer = "<p class='lead'>Created and managed by <a target='_blank' href='https://kenygamer.com'>Kevin Andrews</a></p>";
?>