So you have an iPhone or iPad and the free WordPress for iOS app. Ready to start posting from your mobile device, right? Sounds easy enough, but forays into mobile posting via iOS often begin with this error:
A seasoned WordPress vet will know exactly what this error means, but for you newbies: There’s an obscure check box in Settings > Writing that you must enable prior to blogging via iOS called Enable the WordPress, Movable Type, MetaWeblog and Blogger XML-RPC publishing protocols:
… check that box, and you’ll be able to sync up your blogs with the WordPress for iOS app, error-free.