It seems, in the previous version of beat registrar stats writes didn't have subdivisions of fail, success and total. In newer version of beat they do. This is causing this error:
{"level":"error","message":"Could not parse JSON response for target","time":"2018-09-13T10:55:52Z"}
{"level":"error","message":"Failed getting /stats endpoint of target","time":"2018-09-13T10:55:52Z"}
It seems, in the previous version of beat registrar stats writes didn't have subdivisions of fail, success and total. In newer version of beat they do. This is causing this error: