Embed group report problem

I have exactly the same issue.

Embedding of my own reports works fine.

I have created 4 groups in power bi - only one report in one group can be embedded without a Problem, all reports that are within the other 3 groups can not be embedded (401 Unauthorized) - the group permissions are all the same.

Another problem:

I have written a small javascript function to switch dynamicly between reports. At this moment i try to load a report that does not work (see above) some error-handling goes wrong and the function does not longer work, i´m not able to embed the working report anymore  - i think there is some error handling missing in your underlying powerbi.js framework. 

function switchReport(id){
    var embedConfiguration = {
        type: 'report',
        id: id,
        accessToken: '{{AccessToken}}',
        embedUrl: 'https://app.powerbi.com/reportEmbed'
    };
    var $reportContainer = $('#reportContainer');
    var report = powerbi.embed($reportContainer.get(0), embedConfiguration);

}