Getting Error InValidAccessError for session.completeMerchantValidation(merchantSession);

      var session = new ApplePaySession(9, mySimpleRequest);
        window.session = session;


        //Setup handler for validation the merchant session.
       = function (event) {
            alert("onvalidatemerchant AppleSession before validation-" + JSON.stringify(session));
            //Create the payload.
            var data = {
                validationUrl: event.validationURL
            };


            var antiforgeryHeader = $("meta[name='x-antiforgery-name']").attr("content");
            var antiforgeryToken = $("meta[name='x-antiforgery-token']").attr("content");

            var headers = {};
            headers[antiforgeryHeader] = antiforgeryToken;
            // alert("merchantRequest: " + JSON.stringify(data));
            // alert("Controller:" + $("link[rel='merchant-validation']").attr("href"));
            $.ajax({
                url: $("link[rel='merchant-validation']").attr("href"),
                method: "POST",
                contentType: "application/json; chaxset=utf-8",
                data: JSON.stringify(data),
                headers: headers
            }).then(function (merchantSession) {
                alert("onvalidatemerchant AppleSession after validation-" + JSON.stringify(session));
                alert("merchantSession-" + JSON.stringify(merchantSession));
                console.log("merchantSession-" + JSON.stringify(merchantSession));
                //alert("jsonparse: "+JSON.parse(merchantSession));

                if (session == null || session == undefined) {
                    alert("nsession object is null, skipping");

                }
                else {
                    alert("nsession object is NOT null, Calling completeMerchantValidation");
                    session.completeMerchantValidation(merchantSession);
                }
            }).catch((error) => {
                alert(error + "------------- in line")
            });
        };

this is my code and this is my merchantSession object : merchantSession-{"status":"200","statusMessage":{"epochTimestamp":1690527282002,"expiresAt":1690530882002,"merchantSessionIdentifier":"SSH79603FE752F1424D8A5DE6F3D4850847_916523AAED1343F5BC5815E12BEE9250AFFDC1A17C46B0DE5A943F0F94927C24","nonce":"96538fcc","merchantIdentifier":"6DC048609B1AF64EDF23F1BE4EE4984A0A6DF1E80B16A816204A0541B2613627","domainName":"applepay.traveazy.dev","displayName":"ApplePay","signature":"308006092a864886f70d010702a0803080020101310d300b0609608648016503040201308006092a864886f70d0107010000a080308203e330820388a00302010202084c304149519d5436300a06082a8648ce3d040302307a312e302c06035504030c254170706c65204170706c69636174696f6e20496e746567726174696f6e204341202d20473331263024060355040b0c1d4170706c652043657274696669636174696f6e20417574686f7269747931133011060355040a0c0a4170706c6520496e632e310b3009060355040613025553301e170d3139303531383031333235375a170d3234303531363031333235375a305f3125302306035504030c1c6563632d736d702d62726f6b65722d7369676e5f5543342d50524f4431143012060355040b0c0b694f532053797374656d7331133011060355040a0c0a4170706c6520496e632e310b30090603550406130255533059301306072a8648ce3d020106082a8648ce3d03010703420004c21577edebd6c7b2218f68dd7090a1218dc7b0bd6f2c283d846095d94af4a5411b83420ed811f3407e83331f1c54c3f7eb3220d6bad5d4eff49289893e7c0f13a38202113082020d300c0603551d130101ff04023000301f0603551d2304183016801423f249c44f93e4ef27e6c4f6286c3fa2bbfd2e4b304506082b0601050507010104393037303506082b060105050730018629687474703a2f2f6f6373702e6170706c652e636f6d2f6f63737030342d6170706c65616963613330323082011d0603551d2004820114308201103082010c06092a864886f7636405013081fe3081c306082b060105050702023081b60c81b352656c69616e6365206f6e207468697320636572746966696361746520627920616e7920706172747920617373756d657320616363657074616e6365206f6620746865207468656e206170706c696361626c65207374616e64617264207465726d7320616e6420636f6e646974696f6e73206f66207573652c20636572746966696361746520706f6c69637920616e642063657274696669636174696f6e2070726163746963652073746174656d656e74732e303606082b06010505070201162a687474703a2f2f7777772e6170706c652e636f6d2f6365727469666963617465617574686f726974792f30340603551d1f042d302b3029a027a0258623687474703a2f2f63726c2e6170706c652e636f6d2f6170706c6561696361332e63726c301d0603551d0e041604149457db6fd57481868989762f7e578507e79b5824300e0603551d0f0101ff040403020780300f06092a864886f76364061d04020500300a06082a8648ce3d0403020349003046022100be09571fe71e1e735b55e5afacb4c72feb445f30185222c7251002b61ebd6f55022100d18b350a5dd6dd6eb1746035b11eb2ce87cfa3e6af6cbd8380890dc82cddaa63308202ee30820275a0030201020208496d2fbf3a98da97300a06082a8648ce3d0403023067311b301906035504030c124170706c6520526f6f74204341202d20473331263024060355040b0c1d4170706c652043657274696669636174696f6e20417574686f7269747931133011060355040a0c0a4170706c6520496e632e310b3009060355040613025553301e170d3134303530363233343633305a170d3239303530363233343633305a307a312e302c06035504030c254170706c65204170706c69636174696f6e20496e746567726174696f6e204341202d20473331263024060355040b0c1d4170706c652043657274696669636174696f6e20417574686f7269747931133011060355040a0c0a4170706c6520496e632e310b30090603550406130255533059301306072a8648ce3d020106082a8648ce3d03010703420004f017118419d76485d51a5e25810776e880a2efde7bae4de08dfc4b93e13356d5665b35ae22d097760d224e7bba08fd7617ce88cb76bb6670bec8e82984ff5445a381f73081f4304606082b06010505070101043a3038303606082b06010505073001862a687474703a2f2f6f6373702e6170706c652e636f6d2f6f63737030342d6170706c65726f6f7463616733301d0603551d0e0416041423f249c44f93e4ef27e6c4f6286c3fa2bbfd2e4b300f0603551d130101ff040530030101ff301f0603551d23041830168014bbb0dea15833889aa48a99debebdebafdacb24ab30370603551d1f0430302e302ca02aa0288626687474703a2f2f63726c2e6170706c652e636f6d2f6170706c65726f6f74636167332e6300","operationalAnalyticsIdentifier":"ApplePay:6DC048609B1AF64EDF23F1BE4EE4984A0A6DF1E80B16A816204A0541B2613627","retries":0,"pspId":"6DC048609B1AF64EDF23F1BE4EE4984A0A6DF1E80B16A816204A0541B2613627"},"statusCode":200}