Hello Team, I had instrumented a FastAPI application, which was working fine, but suddenly it doesn't show in my dashboard of services, whereas service is running with the same configuration

So services page shows the services only where traces data is received in that timerange, if new trace data is not coming it won’t show up. You can play around with the timerange

Yes, I understood that, but my services are running and I'm using them, still it shows no trace data.