my vanilla have problem please help me

jokeri

everyone can't post and also admin.
when click button "Add your comment" for post whatever.
has error :

"Some problems were encountered
You must enter a value for the comments input."

anyone please help me
( i updated 1.1.3 to 1.1.5a )

jokeri

hey everybody , I found cause this problem from extention "YahooUI Text Editor"
when i disable it, my forum will work !
why , can anyone explain for me ?