Native service unreachable from API gateway

I am unable to run all my APIs from the API Gateway. The error message I receive is:
‘Exception’: ‘API Gateway encountered an error. Error Message: Service not found. Request Details: Service - null, Operation - null.’
I am able to run the services directly from the server hosting the API Gateway. However, when I check the logs, I don’t see any relevant information. What could the problem be?

According to the information you provided, it sounds like a missing package/service. If you have a cluster, compare the packages and check the status of the nodes, if you don’t, try to deploy your package again. It looks like a broken dependency. If it is a clustered environment, one of the nodes could be offline, and F5 could be sending the traffic to the same node if it is coming from the same client. If neither of these, please provide more information, such as the logs from the target server, and detailed logs from the API GW. Also try making a call to the service using curl, from the machine that API GW is installed. It might be a firewall issue or an ACL/permission issue on the target server.