function deleteAvailableBudget(e) {
    //
    e.preventDefault();
    var button = $(e.currentTarget);
    var abId = button.data('id');
    $.post(deleteABUrl, {_token: token, id: abId}).then(function () {
        // lame but it works.
        location.reload();
    });
    return false;
}
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.