Unable to use bootshine on Trial Stone during quest "Harder than Rock"

ISP: AT&T
Type of Internet Connection: DSL
Internet Connection Speed: 1mbps

Date & Time: 3:40PM EST
Frequency:Always
Character Name:Muz Ugu
Race:Roegadyn F
World:Balmung
Class/Level: PGL 8
Area and Coordinates: Western Thanalan, X25 Y22
Party or Solo:Solo
NPC Name:Trial Stone
Monster Name:None
In-Game Time:7:15a,
Steps:
-Use ability "bootshine" on trial stone
-get invalid target error

Other Notes:
watched about 10 other people have same issue.
see attached screen: http://imgur.com/Qy99usW

Greetings Muzugu,

We thank you for posting your concerns regarding "Harder than Rock". I have made sure to submit all of your information to the development team and they will thoroughly investigate this matter based on your report. Unfortunately, I cannot guarantee that a direct response will be posted on this thread, but I do recommend checking Here or Here for any details regarding the development team's investigation.

Thanks for your report!

- Furlamseere