UIM webservices rest alarm summary callback error as below :
Ensure the ems probe is active and processing alarms without any errors
https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/ca-unified-infrastructure-management-probes/GA/probe-development-tools/restful-web-services/webservices-rest-apis/webservices-rest-call-reference/alarm-calls.html#concept.dita_90d18bfb3205046b7d6491defe72a264a6defe52_GetAlarmSummary