No runtime heartbeat received

Hi, Can Anyone help me find more information about the cause of this error. The error is logged in the alerts area of my app as shown below: I tried to view other logs and metrics, but all turned out with no results so far that gives me more info about this error.    
1 answers

Hi Martijn,

For more information on this issue, please have a look here (you can also subscribe to our status page, if you haven't already):