Failure immediately after switching location on a device
Last updated: June 24, 2026
Quick answer
Brief card-reader race condition.
- Wait a few seconds and re-run
- Location is required for card reader sessions
Symptoms
- Failure immediately after switching location on a device
Solution
A brief card-reader race condition can occur when the active location changes. Wait a few seconds and re-run the transaction.
Location is required to create a card reader session. See Merchant Setup — locations.