The bank account holder is deceased and the bank is returning the EFT.
How to fix it
For tenant payments, Association owner payments, and rental application fees
Contact the resident or applicant to find out how they'd like to proceed.
For rental owner and vendor payments
Contact the rental owner or vendor to find out how they'd like to proceed.
Buildium strongly suggests you get epayment information from a voided check. If a voided check is unavailable, get a letter from the bank or another "official" document.
R16 Account Frozen
(1) The beneficiary is the person entitled to the benefits and is deceased. The beneficiary may or may not be the account holder; or (2) The account holder (acting in a non-representative payee capacity) is an owner of the account and is deceased.