Exceed Break skill allowed to change weapon while casting it

[Checkmate]

Hi there... Sorry if im post in the wrong section.. Move it if it was wrong.It abot the skill Exceed break.

One of player found this error and try to report to me... But im dont know either this is a bug or it was allowed. I dont have idea on it. Someone can explain it... 
Thank you so much.
 

Check here
Chat box while talking to it

 

and this

 

 

 

Thx again

Edited September 6, 2014 by CheckMate

[Antares]

Please make a bug report of this in the bug tracker section. And thaks, good catch!