What does "Invalid paRes from issuer" mean?

While trying a 3DS transaction, it might happen you receive the API response with errorCode 105 and message Invalid paRes from issuing bank:

{
  "status":422,
  "errorCode":"105",
  "message":"Invalid paRes from issuer",
  "errorType":"validation"
}

This message means that the issuing bank's response is not in the correct format or is corrupted. This can happen if the issuing bank was unavailable or if there was a technical issue with the 3D Secure provider. 

Unfortunately, we can't prevent this from happening and no further action can be taken when receiving this error message. You can retry the transaction or if it happens continuously contact the issuing bank, which can be found on the payment page of the refused transaction. 

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