Loading reservations ...., no calendar entries

[konqi29]

I have 3 instances of librebooking, suddenly all 3 instances today are showing "loading reservations ....", but no calendar entries are shown.

[konqi29]

now it's working, without changing anything.

Could it be that the java-script in view-schedule.php:

        <script
            src="[https://code.jquery.com/jquery-3.3.1.min.js](view-source:https://code.jquery.com/jquery-3.3.1.min.js)"
            integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
            crossorigin="anonymous"></script>
    <script src="[https://code.jquery.com/jquery-migrate-3.0.1.min.js](view-source:https://code.jquery.com/jquery-migrate-3.0.1.min.js)"></script>
    <script
            src="[https://code.jquery.com/ui/1.12.1/jquery-ui.min.js](view-source:https://code.jquery.com/ui/1.12.1/jquery-ui.min.js)"
            integrity="sha256-VazP97ZCwtekAsvgPBSUwPFKdrwD3unUfSGVYrahUqU="
            crossorigin="anonymous"></script>
    <script type="text/javascript"
            src="[https://netdna.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js](view-source:https://netdna.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js)"></script>

<!-- End JavaScript -->

was updated on code.jquery.com or changed ???