resource_missing

Hi,

How to solve below error?

I follow this instruction, https://stripe.com/docs/stripe-js/elements/fpx-bank#content

{
  "error": {
    "code": "resource_missing",
    "doc_url": "https://stripe.com/docs/error-codes/resource-missing",
    "message": "No such payment_intent: seti_1GX9LZKjtpl3OAQeE7vU37n3",
    "param": "intent",
    "type": "invalid_request_error"
  }
}

My Vue code,

<template>
    <div id="user-premium">

        <form id="payment-form">
            <div class="form-row">
                <div>
                    <label for="fpx-bank-element">
                        FPX Bank
                    </label>
                    <div id="fpx-bank-element">
                        <!-- A Stripe Element will be inserted here. -->
                    </div>
                </div>
            </div>

            <div class="block-wrapper">
                <button class="button-base" id="add-card-button" v-on:click="submitPaymentMethod()">
                    Save Payment Method
                </button>
            </div>

            <!-- Used to display form errors. -->
            <div id="error-message" role="alert"></div>
        </form>
    </div>
</template>

<script>
    import {mapGetters} from 'vuex'
    import {debounce} from 'lodash'
    import {events} from '@/bus'
    import axios from 'axios'
    export default {
        data(){
            return {
                stripeAPIToken: 'pk_test_IaxnERnxMUcXP7COS66EwXcw00V5tklVBQ',
                stripe: '',
                elements: '',
                card: '',

                intentToken: '',

                name: '',
                addPaymentStatus: 0,
                addPaymentStatusError: '',

                paymentMethods: [],
                paymentMethodsLoadStatus: 0,
                paymentMethodSelected: {},

                selectedPlan: '',
            }
        },

        mounted(){
            this.includeStripe('js.stripe.com/v3/', function(){
                this.configureStripe();
            }.bind(this) );

            this.loadIntent();
        },

        methods: {
            includeStripe( URL, callback ){
                const documentTag = document, tag = 'script',
                    object = documentTag.createElement(tag),
                    scriptTag = documentTag.getElementsByTagName(tag)[0];
                object.src = '//' + URL;
                if (callback) { object.addEventListener('load', function (e) { callback(null, e); }, false); }
                scriptTag.parentNode.insertBefore(object, scriptTag);
            },
            configureStripe(){
                this.style = {
                    base: {
                        // Add your base input styles here. For example:
                        padding: '10px 12px',
                        color: '#32325d',
                        fontSize: '16px',
                    }
                };
                this.stripe = Stripe( this.stripeAPIToken );

                this.elements = this.stripe.elements();
                this.fpxBank = this.elements.create(
                    'fpxBank',
                    {style: this.style, accountHolderType: 'individual'});

                this.fpxBank.mount('#fpx-bank-element');
            },
            loadIntent(){
                axios.get('/api/user/setup-intent')
                    .then( function( response ){
                        this.intentToken = response.data;
                    }.bind(this));
            },

            /*
                Uses the intent to submit a payment method
                to Stripe. Upon success, we save the payment
                method to our system to be used.
            */
            submitPaymentMethod(){
                this.addPaymentStatus = 1;

                this.stripe.confirmFpxPayment(
                    this.intentToken.client_secret, {
                        payment_method: {
                            fpx: this.fpxBank
                        },
                    }
                ).then(function(result) {
                    if (result.error) {
                        this.addPaymentStatus = 3;
                        this.addPaymentStatusError = result.error.message;
                    } else {

                    }
                }.bind(this));
            }
        }
    }
</script>

Thanks