Item not showing in bags until /reload

[mrbuds]

Addon Version

v0.1.75

World of Warcraft Version

Classic Era (And SoD/Hardcore)

Describe the bug

After completing a libram quest in DM chat show i received Arcanum of Focus, but item was missing in bags, it only showed after a /reload

I have bugsack/buggrabber and my sack is clean

Steps to reproduce

explained in description

[mrbuds]

[mrbuds]

and a screen of my bags layout if that helps