Doom-II texture trouble

[Zulk RS]

When I first started mapping with Doom builder, I noticed that there was a Doom-2 texture named AASHITTY. It remains as an unknown texture when try to put it on walls. I'm curious about this. Can anyone shed some light here? Thanks.

[Da Werecat]

http://doomwiki.org/wiki/AASTINKY

[Zulk RS]

Thanks!
...And I feel really stupid now...