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Description
I discovered an issue with processing webhook notifications. This problem occurs when adyen is trying to send the same webhook notification to magento and they are duplicated. During webhook processing something goes wrong and one notification saved data in adyen_order_payment table. Next notification tries to save the same data but there is a unique constraint added to pspreference column and the whole notification is not processed and order status is changing to processing without changing total paid data on order.
The problem occurs on Magento 2.4.5-p6 with 8.18.1 adyen/module-payment module
Tested scenarios
Duplicate notifications for one order and rund webhook handler. It will catch an error about unique constraint violation without my fix.