000100 - DECLINE - AuthenticationError

This page explains the 000100 - DECLINE - AuthenticationError_No ticket error: what typically causes it, the environments where it appears, and how to get it resolved.

Error Message: 000100 - DECLINE - AuthenticationError_No ticket

Environment: Occurs primarily on card-present transactions.

Root Cause: There are two primary causes for this error:

Part of the merchant hierarchy that is configured in the PAX profile is incorrect (MID, TID, etc.).
The TID associated with the merchant is not properly configured with Datawire at Fiserv.

How To Resolve: Send us a request on the Launchpay Support Portal and provide the transaction details and the error message. Our team will research the issue and provide next steps.

💬 Have a question? Send us your request on the Launchpay Support Portal.

When describing your issue, gather as much information as you can about the issue including Location ID, error messages, screenshots, and user details to expedite the support process.
To find the Location ID, open the QuickPoint app on the terminal, press and hold the SoftPoint icon at the bottom of the screen for 5 – 10 seconds, and select Get Help. The Location ID displays on screen.
For API integrations, please provide the API endpoint details (method and URL), request payload, and response received.