Why it happens
- Offline or batched transactions were submitted late.
- A capture was delayed long after the authorization.
Mastercard4842Processing error
The transaction was sent for settlement too long after it took place, and the card account was no longer in good standing. Mastercard now files this case under 4834, but the code still appears.
Summaries written by NoChurn from the networks’ public rules and processor documentation. Networks update their rules and deadlines depend on your processor: check its documentation before you respond.
Read https://www.nochurn.sh/llms.txt,
then follow https://www.nochurn.sh/docs/quickstart/
to add NoChurn to this app. Use a test key
(nc_test_…) until I say we go live.