I'm missing this deposit:

Status: 28850 confirmations
Date: 10/1/2017 10:56
To: BFvMRGJikNCg8MeTnu4r7xfxsbkzVcSy2J
Debit: -534266.61 BUZZ
Transaction fee: -0.000192 BUZZ
Net amount: -534266.610192 BUZZ
Transaction ID: 1073debe4904d0ea948566313aff8b2f119077790eb806fbda8e33d38bd745a5-000

coinexchange says it's not on their end.

Any ideas why?