DATECS FP300 Error on Post Receipt

[dicksonkimeu]

REQUEST

{
"uniqueSaleNumber": "DT279013-0008-5000002",
"items": [
{
"text": "Cheese",
"quantity": 1,
"unitPrice": 12,
"taxGroup": 1
},
{
"text": "Milk",
"quantity": 2,
"unitPrice": 10,
"taxGroup": 1
}
],
"payments": [
{
"amount": 32,
"paymentType": "cash"
}
]
}

ERROR / RESPONSE

{
"receiptNumber": "",
"receiptDateTime": "0001-01-01T00:00:00",
"receiptAmount": 0.0,
"fiscalMemorySerialNumber": "",
"ok": false,
"messages": [
{
"type": "error",
"code": "E199",
"text": "General error"
},
{
"type": "info",
"text": "No customer display is connected"
},
{
"type": "error",
"code": "E404",
"text": "The command is not allowed in the current fiscal mode"
},
{
"type": "info",
"text": "SW7=ON, SW6=ON, SW5=OFF, SW4=OFF, SW3=ON, SW2=OFF, SW1=ON"
},
{
"type": "info",
"text": "Unique Printer ID and Fiscal Memory ID are set"
},
{
"type": "info",
"text": "The tax rates are set at least once"
},
{
"type": "info",
"text": "The fiscal memory is formatted"
},
{
"type": "info",
"text": "Error occured while opening new fiscal receipt"
}
]
}

[MihranThalhath]

@dicksonkimeu did you solve this?