I'm trying to post something to the Boardgame and Cards stack exchange, and it looks like the server is returning [HTTP code 418, I'm a Teapot][1]

[![console with http codes of 418 I'm a teapot[1]][2]

What's going on?

This is the content of my post:

```
Occasionally, a deck becomes famous which is a [colour combination][1] + a 'splash' of another colour. 

One good example is 'Moist Jund', which is Jund (Black, Red and Green) plus a small amount of blue (which gives the Moist part of the name).

What are the names of the other splashes? That is, splashing for White, Black, Green and Red.


  [1]: https://boardgames.stackexchange.com/questions/11550/what-are-the-names-for-magics-different-colour-combinations
```


The only tag was [tag:magic-the-gathering]

  [1]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/418
  [2]: https://i.sstatic.net/TGAwu.png