I don't receive metrics on Apollo studio

I included these environments variable (APOLLO_KEY=’*****’, APOLLO_GRAPH_ID=, APOLLO_GRAPH_VARIANT=) into my app, and when I start my app it shows a message like this:
“Apollo schema reporting starting! See your graph at Studio…”

but in Appollo studio metrics still do not show any metrics like the following image:

Hi! Apologies for the delayed response. Would you mind writing into support@apollographql.com with your issue? We’ll be able to dig into the details there to help you out