bug Stigma

[Juniteck 0]

Hello, I have a small Problem, I have 5 of the 6 greater stigmaslots and I can't get the quest for the last one, or better said one quest is missing. I did kill 30 Manduri monsters in Serpan and that should be the last quest but I still have only 5 of the six. I finished all Stigma the quests completly. + the quest for the Adma enterance mainquest is bugging on this character too I can't talk to Sahnu, this is my first char and It's a complete mess :'( can anyone help me with that? The stigmathing?

[Rospet 17]

Are you absolutely sure you did all 6 stigma quests? 3 at Panda/Sanctum (45, 45, 50) 2 at Gelk/Ingi (52, 55) and Last at Sarpan (58)?