We just try to remove our headers and it works!
fetch("http://localhost:8910/taskCreationController/createStoryTask", {
mode: 'no-cors',
method: "POST",
body: data
}).then(function (res) {
if (res.ok) {
alert("Perfect! ");
} else if (res.status == 401) {
alert("Oops! ");
}
}, function (e) {
alert("Error submitting form!");
});