Fixed Beginner Magician's First Training Session Bugged

Description of the bug: (optional screenshot/video): Server does not let you turn in the Beginner Magician's First Training Session (Video Attached - I have slots in my inventory, not sure why I can't finish the quest)
What is supposed to happen?: Question should finish and give you exp
Where did you find and/or notice this bug?: When I made my Mage and was doing the Training Session quests
A step-by-step guide to re-producing this bug (optional): Accept First Training Session > Kill 8 slimes > Try turning in quest to Grendal
Extra information (optional):

 

Video of bug that I posted on Discord: https://discord.com/channels/969341430596239420/969382578031300628/1263728083697926165