Unable to add default subscription under azure monitor data source


I am using grafana version 6.7.2 hosted in docker container. While adding Azure monitor daat source, I am not getting option to add default subscription id, and it always stick on the choose option. Please find the attached screenshot,

I am able to add other fields , since default subscription id not added, my que

ries getting failed with unable to find the correct resource

do we have a solution for this issue?