AMI is a more appropriate way of receiving events, although I’m not convinced there will be events for these cases. I suspect the first you will know is when the registration times out.
However, as I read those messages,the problem is at your end, not theirs. The first one is saying you don’t have an auth section called “endpoint_id”.
It is possible that:
will help with the other two, although I suspect they are simple consequences of the first one.
It looks to me as though the source file name in the second two is wrong. That put an obstacle in my way as regards to seeing what in the code generated those messages.