What happens when you wait the 26 seconds. I know it does have a delay in so if you do some kind of post or something you have to wait a minute before you can do another one. Whenever this happens to me I just wait a minute and hit the post button again and it goes in fine.
To prevent flooding, you are limited to performing certain actions every so often. If you continue to experience this message after waiting, let us know.
A little offtopic, but on the note of Profile Glitches, I am aware that when you try to save your "Personal Details" it will say an error occurred. Despite the error, everything was saved correctly. I will look into fixing that problem this weekend.