QRException

Backend returned an application-level error (HTTP 4xx/5xx or non-zero code in body)

Buyer scanned the QR but did not confirm the payment in time (order reversed)

Local checkout timeout — buyer did not complete the payment in time

QR code expired

QR code image generation failed

Order rejected by provider — insufficient funds

No network or TCP failure to the backend

QR SDK or provider is not initialized

Operation not found in local history after a successful QR payment

Operation is still being processed by the provider

Local checkout session for the order not found

Payment completed and partially reversed by the provider

Operation is not supported by the selected QR provider

Local validation of request parameters failed

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.