So exactly how do I setup a 404 error page on my site? It's good practice to use 404 error pages on your site instead of relying upon the built in IIS error handling mechanism and it's not that obvious how to set it up.
Umbraco.config not updating - Error Republishing: System.Xml.XmlException:, hexadecimal value 0x01, is an invalid character.
Recently we experienced issues where the Umbraco.Config file was not being updated with published content - this had a knock on effect within the API calls we were making to create new nodes if they did not already exist.
No document exists with version error in Umbraco can be caused by orphan revisions in the cmsContentVersion table that are not in the cmsDocument table.