need help with createAnAcceptPaymentTransaction api return error all time

[mysoc13]

i am passing this data tocreateAnAcceptPaymentTransaction api and get

{
"createTransactionRequest": {
"merchantAuthentication": {
"name": "xxxxxxx",
"transactionKey": "xxxxxxxxxx"
},
"refId": "ref1566457911",
"transactionRequest": {
"transactionType": "authCaptureTransaction",
"amount": "5",
"payment": {
"opaqueData": {
"dataDescriptor": "COMMON.ACCEPT.INAPP.PAYMENT",
"dataValue": "1234567890ABCDEF1111AAAA2222BBBB3333CCCC4444DDDD5555EEEE6666FFFF7777888899990000"
}
},
"lineItems": {
"lineItem": {
"itemId": "1",
"name": "vase",
"description": "Cannes logo",
"quantity": "18",
"unitPrice": "45.00"
}
},
"poNumber": "456654",
"billTo": {
"firstName": "xxxx",
"lastName": "xxxx",
"company": "xxxx",
"address": "xxxxStreet",
"city": "Pecxxxxrings",
"state": "TxxxxX",
"zip": "446xxxx28",
"country": "xxxxUSA"
},
"shipTo": {
"firstName": "China",
"lastName": "Bayles",
"company": "Thyme for Tea",
"address": "12 Main Street",
"city": "Pecan Springs",
"state": "TX",
"zip": "44628",
"country": "USA"
},
"customerIP": "192.168.1.1",
"userFields": {
"userField": [
{
"name": "MerchantDefinedFieldName1",
"value": "MerchantDefinedFieldValue1"
},
{
"name": "favorite_color",
"value": "blue"
}
]
}
}
}
}

and get this response only all the time

{
"transactionResponse": {
"SupplementalDataQualificationIndicator": 0
},
"refId": "ref1566457911",
"messages": {
"resultCode": "Error",
"message": [
{
"code": "E00001",
"text": "An error occurred during processing. Please try again."
}
]
}
}

[Gallenger]

how to register?