[admin]

If your editor showing html tags you should edit your templates.

Step 1 )  Templates > Your theme > headerinclude > codebuttons 

Copy this is codes and change :

PHP Code:

<link rel="stylesheet" href="{$mybb->asset_url}/jscripts/sceditor/themes/{$theme['editortheme']}" type="text/css" media="all" />
<script type="text/javascript" src="{$mybb->asset_url}/jscripts/sceditor/jquery.sceditor.bbcode.min.js?ver=1821"></script>
<script type="text/javascript" src="{$mybb->asset_url}/jscripts/bbcodes_sceditor.js?ver=1821"></script>
<script type="text/javascript" src="{$mybb->asset_url}/jscripts/sceditor/plugins/undo.js?ver=1821"></script>
<script type="text/javascript">
var partialmode = {$mybb->settings['partialmode']},
opt_editor = {
    plugins: "undo",
    format: "bbcode",
    bbcodeTrim: true,
    style: "{$mybb->asset_url}/jscripts/sceditor/styles/jquery.sceditor.{$theme['editortheme']}?ver=1821",
    rtl: {$lang->settings['rtl']},
    locale: "mybblang",
    width: "100%",
    enablePasteFiltering: true,
    autoUpdate: true,
    emoticonsEnabled: {$emoticons_enabled},
    emoticons: {
        // Emoticons to be included in the dropdown
        dropdown: {
            {$dropdownsmilies}
        },
        // Emoticons to be included in the more section
        more: {
            {$moresmilies}
        },
        // Emoticons that are not shown in the dropdown but will still be converted. Can be used for things like aliases
        hidden: {
            {$hiddensmilies}
        }
    },
    emoticonsCompat: true,
    toolbar: "{$basic1}{$align}{$font}{$size}{$color}{$removeformat}{$basic2}image,{$email}{$link}|video{$emoticon}|{$list}{$code}quote|maximize,source",
};
{$editor_language}
$(function() {
    $("#{$bind}").sceditor(opt_editor);

    MyBBEditor = $("#{$bind}").sceditor("instance");
    {$sourcemode}
});
</script> 


Step 2 )  Templates > Your theme > headerinclude

Change version values to 1821 example :

PHP Code:

{$mybb->asset_url}/jscripts/jquery.js?ver=1821 


Good days! 

[JackSparrow052]

Thank you !

[RobertMe]

Oh my god this is worked for me!