Internal Error - create customer payment

Internal Error - create customer payment

https://books.zoho.com/api/v3/customerpayments?organization_id=686753061

JSONString: {
    "customer_id": "1770808000000082284",
    "payment_mode": "others",
    "amount": "606.09",
    "date": "2019-01-02",
    "reference_number": null,
    "description": "ACH Deposit",
    "invoices": [
        {
            "invoice_id": "1770808000000093035",
            "amount_applied": "527.67"
        },
        {
            "invoice_id": "1770808000000093035",
            "amount_applied": "78.42"
        }
    ],
    "bank_charges": null,
    "custom_fields": null,
    "invoice_id": "1770808000000093035",
    "amount_applied": "606.09",
    "contact_persons": null,
    "account_id": "1770808000000000364"
}

Error:
{
    "code": 1000,
    "message": "Internal Error"
}