I didn’t get the Twitch drops that i claimed.
Firstly, sorry for the issues with your Twitch Drops.
As known, there was a general issue with the product inventory, which partially affected items like Aura, Twitch Drops, Loot, etc. Right now, the devs are working hard to fix this and similar issues related to the commerce server and the product inventory. There’s been some multiple maintenance which might stabilize the system, so please stay in touch with the following link.
You can view all of the information regarding this issue here at the known issues page: Update on Known Issues | Lost Ark.
I hope this information has been of help, have a great day!