> Documentation index: [Saleor](/llms.txt) · [This section](/api-reference/payments/llms.txt)
> Source: https://docs.saleor.io/api-reference/payments/enums/transaction-process-error-code

# TransactionProcessErrorCode Enum

No description

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### Values

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#### [`GRAPHQL_ERROR`](#graphql-error)

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#### [`INVALID`](#invalid)

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#### [`NOT_FOUND`](#not-found)

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#### [`TRANSACTION_ALREADY_PROCESSED`](#transaction-already-processed)

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#### [`MISSING_PAYMENT_APP_RELATION`](#missing-payment-app-relation)

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#### [`MISSING_PAYMENT_APP`](#missing-payment-app)

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#### [`CHECKOUT_COMPLETION_IN_PROGRESS`](#checkout-completion-in-progress)

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### Member Of

[`TransactionProcessError`](/api-reference/payments/objects/transaction-process-error.md) object