This message is displayed after a customer attempts to insert fiat into an unlicensed BATM.
The machine serial number is on a blacklist due to licensing violations.
The BATM will no longer publish via the GB API (for coinatmradar.com and coinatmmap.com).
Solution:
Contact sales@generalbytes.com to settle any outstanding invoices.
More information:
How to pay your GB Operator account invoice