The contents of the mailbox are missing!

Hello GM!
The mutant worm fragments I just bought today * 200 (a total cost of 44G * 4 = 176G or so), mailed by another character in my account, when I opened the mailbox to pick up the mail, it was dropped, when I went online, the mutant worm fragments in the mailbox were gone, ask GM to help me recover items or gold coins, thank you!
Account number: 17786780567,
character ID: Luckyg

Do you mean this item:

Yes, this is it!

I have reported this to our GM team, meanwhile please read this:

Okay, can I restore the item?