After installing InstantForum.NET 2012 I receive the following error when composing topics or replies within the rich text editor.
Exception type: InvalidOperationException
Exception message: Request format is unrecognized for URL unexpectedly ending in '/ParseForPreview'.
To resolve this problem please follow the steps below…
1. Open your InstantForum.NET 2012 web.config file within NotePad or similar.
2. Add the entire <webServices> element as shown inside the <System.Web> element.
<system.web>
<webServices>
<protocols>
<add name="HttpGet"/>
<add name="HttpPost"/>
</protocols>
</webServices>
3. Save and replace your web.config.