@stefaanv https://github.com/mycontroller-org/mycontroller/issues/236#issuecomment-238017945
Have a look if your adblocker is interfering. Press F12 in your browser and look at the "console"-output.
An example of adblocker interfering:
0_1470481819199_upload-c774db81-e0d5-48d7-abc7-98a05c8d3a94
This can be solved by whitelisting the mycontroller.org site.