Known Issues {#rn-known-issues}
===============================

**Acceptance Devices** \| EPS-36954
-----------------------------------

Description
:
Mastercard contactless transactions are failing on Acceptance devices, for some cards.

Audience
:
Merchants who process contactless Mastercard transactions on Acceptance devices.

Technical Details
:
The problem occurs before authorization. The error message is:
:
*ERROR_HARDWARE_SECURITY_MODULE*
:
*Reason: Invalid track1 tag value*.

Workaround
:
None.

**Payments** \| EPS-36967
-------------------------

Description
:
An intermittent issue sometimes prevents transactions from being settled or credited for merchants who process through Moneris.

Audience
:
Merchants who process transactions through Moneris.

Technical Details
:
None.

Workaround
:
None.