borraste o modificaste la plantilla?
no se ni cual plantilla es la del editor xP me ayudas?
Te pasa en crear tema y en responder?

La de nuevo tema se llama newthread
{SIGNATURE_IMAGE}
si y de echo según yo esta correcta la plantilla y este error solo me pasa con el only gamers :/
O a la mejor modificaste el editor para agregar algun boton
no no edite nada del editor aparte solo es para ese theme lo que me pasa
Cita:<link rel="alternate" type="application/rss+xml" title="{$lang->latest_threads} (RSS 2.0)" href="{$mybb->settings['bburl']}/syndication.php" />
<link rel="alternate" type="application/atom+xml" title="{$lang->latest_threads} (Atom 1.0)" href="{$mybb->settings['bburl']}/syndication.php?type=atom1.0" />
<meta http-equiv="Content-Type" content="text/html; charset={$charset}" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<script type="text/javascript" src="{$mybb->settings['bburl']}/jscripts/prototype.js?ver=1600"></script>
<script type="text/javascript" src="{$mybb->settings['bburl']}/jscripts/general.js?ver=1600"></script>
<script type="text/javascript" src="{$mybb->settings['bburl']}/jscripts/popup_menu.js?ver=1600"></script>
{$stylesheets}
<script type="text/javascript">
<!--
var cookieDomain = "{$mybb->settings['cookiedomain']}";
var cookiePath = "{$mybb->settings['cookiepath']}";
var cookiePrefix = "{$mybb->settings['cookieprefix']}";
var deleteevent_confirm = "{$lang->deleteevent_confirm}";
var removeattach_confirm = "{$lang->removeattach_confirm}";
var loading_text = '{$lang->ajax_loading}';
var saving_changes = '{$lang->saving_changes}';
var use_xmlhttprequest = "{$mybb->settings['use_xmlhttprequest']}";
var my_post_key = "{$mybb->post_code}";
var imagepath = "{$theme['imgdir']}";
// -->
</script>
{$newpmmsg}
<link rel="stylesheet" type="text/css" href="foros/css/tipTip.css">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript" src="foros/jscripts/jquery.tipTip.js"></script>
<script type="text/javascript" src="foros/jscripts/jquery.tipTip.minified.js"></script>
<script type='text/javascript'>
jQuery.noConflict();
jQuery(function() {
jQuery("a").tipTip({maxWidth: "auto", edgeOffset: 10,gravity: 'n'});
jQuery("img").tipTip({maxWidth: "auto", edgeOffset: 10,gravity: 'n'});
});
</script>

Cita:<html>
<head>
<title>{$lang->newthread_in}</title>
{$headerinclude}
<script type="text/javascript" src="jscripts/post.js?ver=1400"></script>
</head>
<body>
{$header}
{$preview}
{$thread_errors}
{$attacherror}
<form action="newthread.php?fid={$fid}&amp;processed=1" method="post" enctype="multipart/form-data" name="input">
<input type="hidden" name="my_post_key" value="{$mybb->post_code}" />
<table border="0" cellspacing="{$theme['borderwidth']}" cellpadding="{$theme['tablespace']}" class="tborder">
<tr>
<td class="thead" colspan="2"><strong>{$lang->post_new_thread}</strong></td>
</tr>
{$loginbox}
<tr>
<td class="trow2" width="20%"><strong>{$lang->thread_subject}</strong></td>
<td class="trow2">{$prefixselect}<input type="text" class="textbox" name="subject" size="40" maxlength="85" value="{$subject}" tabindex="1" /></td>
</tr>
{$posticons}
<tr>
<td class="trow2" valign="top"><strong>{$lang->your_message}</strong>{$smilieinserter}</td>
<td class="trow2">
<textarea name="message" id="message" rows="20" cols="70" tabindex="2">{$message}</textarea>
{$codebuttons}
{$multiquote_external}
</td>
</tr>
<tr>
<td class="trow1" valign="top"><strong>{$lang->post_options}</strong></td>
<td class="trow1"><span class="smalltext">
<label><input type="checkbox" class="checkbox" name="postoptions[signature]" value="1" tabindex="7"{$postoptionschecked['signature']} /> {$lang->options_sig}</label>
{$disablesmilies}</span></td>
</tr>
{$modoptions}
{$subscriptionmethod}
{$pollbox}
{$captcha}
</table>
{$attachbox}
<br />
<div style="text-align:center"><input type="submit" class="button" name="submit" value="{$lang->post_thread}" tabindex="4" accesskey="s" /> <input type="submit" class="button" name="previewpost" value="{$lang->preview_post}" tabindex="5" />{$savedraftbutton}</div>
<input type="hidden" name="action" value="do_newthread" />
<input type="hidden" name="posthash" value="{$posthash}" />
<input type="hidden" name="attachmentaid" value="" />
<input type="hidden" name="attachmentact" value="" />
<input type="hidden" name="quoted_ids" value="{$quoted_ids}" />
<input type="hidden" name="tid" value="{$tid}" />
{$editdraftpid}
</form>
{$forumrules}
{$footer}
</body>
</html>
Demasiado jQuery e.e

Intenta revirtiendo la plantilla headerinclude para ver si funciona, primero has respanldo de esa plantilla.
{SIGNATURE_IMAGE}
no funciona <-----mensaje muy corto----->