Invoice not creating, Giving error "The resource you are looking for is not available"

When I sent the post request it’s showing me “The resource you are looking for is not available”

My Json data

{
“naming_series”: “SINV-ST”,
“docstatus”:1,
“customer”: “Ayan Bera”,
“customer_name”: “Ayan Bera”,
“is_pos”: “1”,
“company”: “Succeed Technologies”,
“posting_date”: “2017-12-23”,
“due_date”: “2017-12-23”,
“currency”: “INR”,
“selling_price_list”: “Standard Selling”,
“price_list_currency”: “INR”,
“discount_amount”: 0,
“apply_discount_on”: “Grand Total”,
“cash_bank_account”: “Cash - ST”,
“write_off_amount”: 0,
“debit_to”: “Accounts Receivable - ST”,
“remarks”: “via b2b mobile app”,
“customer_group”: “Individual”,
“submit_on_creation”: 1,
“against_income_account”: “Accounts Receivable - ST”,
“paid_amount”: 360,
“mode_of_payment”: “Cash”,
“is_opening”: “No”,
“status”: “Paid”,
“amount_received”: “360”,
“amount_returned”: “0.0”,
“update_stock”: 1,
“items”: [{
“item_code”: “f-r-02”,
“item_name”: “Orange”,
“qty”: “2”,
“rate”: “80.0”,
“expense_account”: “Accounts Receivable - ST”,
“cost_center”: “Main - ST”,
“warehouse”: “All Warehouses - ST”,
“parenttype”: “SalesInvoice”,
“parentfield”: “items”
}, {
“cost_center”: “Main - ST”,
“qty”: “2”,
“warehouse”: “All Warehouses - ST”,
“item_code”: “f-r-01”,
“item_name”: “Orange Big”,
“rate”: “100.0”,
“expense_account”: “Accounts Receivable - ST”,
“parenttype”: “Sales Invoice”,
“parentfield”: “items”,
“base_paid_amount”: 360
}],
“payments”: [{
“mode_of_payment”: “Cash”,
“amount”: 360,
“account”: “Cash - ST”,
“base_amount”: 360
}]
}