Grafana 7.3.0 data source CloudWatch Custom namespace error

Hi …
I upgrade from grafana 6.x to 7.x and find the data source Cloudwatch namespace not working .
here log from grafana :
error=“unable to call AWS API: InvalidParameter: 1 validation error(s) found.\n- minimum field size of 1, ListMetricsInput.Namespace.\n” remote_addr=
for another namespace AWS/XXX was working fine .

1 Like

any have expirence like this ?

Same for me when try to listing “Metric Name” with custom metric selected.
Grafana 7.2.0