Quest doesn't work

[Tsimo 1]

Hello, there is a problem with the quest "A Game of Cards" where you need to collect red Gemstones. Quest says Splinter Stakato and Splinter Stakato Soldier drop quest item, and although every Splinter Stakato does, none Splinter Stakato Soldier does. Don't know if there is similar problem with the rest of the monsters in other areas that drop red gemstones havn't checked it, but loosing a lot of quest items with this bug so reported it. Not sure if this is ther right section for this kind of thing so if it isn't someone can inform me thanks.