ok so my quests were fine.
my db had some inconsistencies with npc_types which im looking at and scratching my head (apparently i have like 20 extra fields).
i tried turning on logging with INVENTORY_ERROR=on
Code:
[07.27. - 21:56:22] Unknown slot being used by Feshexx, slot being used is: -1501
[07.27. - 22:05:08] Unknown slot being used by Feshexx, slot being used is: -1501
[07.27. - 22:13:54] Unknown slot being used by Feshexx, slot being used is: -1501