Mixer failure during upgrade

2020-04-10T17:13:31.646787Z	error	Unable to initialize adapter: snapshot='4', handler='prometheus.istio-system', adapter='prometheus', err='adapter instantiation error: 4 errors occurred:
	* could not register metric: a previously registered descriptor with the same fully-qualified name as Desc{fqName: "istio_requests_total", help: "requests_total", constLabels: {}, variableLabels: [reporter source_app source_principal source_workload source_workload_namespace source_version destination_app destination_principal destination_workload destination_workload_namespace destination_version destination_service destination_service_name destination_service_namespace request_protocol response_code grpc_response_status response_flags connection_security_policy]} has different label names or a different help string
	* could not register metric: a previously registered descriptor with the same fully-qualified name as Desc{fqName: "istio_request_duration_seconds", help: "request_duration_seconds", constLabels: {}, variableLabels: [reporter source_app source_principal source_workload source_workload_namespace source_version destination_app destination_principal destination_workload destination_workload_namespace destination_version destination_service destination_service_name destination_service_namespace request_protocol response_code grpc_response_status response_flags connection_security_policy]} has different label names or a different help string
	* could not register metric: a previously registered descriptor with the same fully-qualified name as Desc{fqName: "istio_request_bytes", help: "request_bytes", constLabels: {}, variableLabels: [reporter source_app source_principal source_workload source_workload_namespace source_version destination_app destination_principal destination_workload destination_workload_namespace destination_version destination_service destination_service_name destination_service_namespace request_protocol response_code grpc_response_status response_flags connection_security_policy]} has different label names or a different help string
	* could not register metric: a previously registered descriptor with the same fully-qualified name as Desc{fqName: "istio_response_bytes", help: "response_bytes", constLabels: {}, variableLabels: [reporter source_app source_principal source_workload source_workload_namespace source_version destination_app destination_principal destination_workload destination_workload_namespace destination_version destination_service destination_service_name destination_service_namespace request_protocol response_code grpc_response_status response_flags connection_security_policy]} has different label names or a different help string

'.
Please remove the handler or fix the configuration.
2020-04-10T17:13:31.646877Z	warn	Unable to find a handler for action. rule[action]='promtcpconnectionopen.rule.istio-system[0]', handler='prometheus.istio-system'
2020-04-10T17:13:31.646899Z	warn	Unable to find a handler for action. rule[action]='promtcpconnectionclosed.rule.istio-system[0]', handler='prometheus.istio-system'
2020-04-10T17:13:31.646907Z	warn	Unable to find a handler for action. rule[action]='promtcp.rule.istio-system[0]', handler='prometheus.istio-system'
2020-04-10T17:13:31.647300Z	warn	Unable to find a handler for action. rule[action]='promhttp.rule.istio-system[0]', handler='prometheus.istio-system'
2020-04-10T17:13:31.647326Z	info	Cleaning up handler table, with config ID:3
2020-04-10T17:13:40.453359Z	error	adapters	adapter did not close all the scheduled daemons	{"adapter": "prometheus.istio-system"}
2020-04-10T17:18:35.986529Z	warn	istio.io/istio@/mixer/adapter/kubernetesenv/cache.go:130: watch of *v1.ReplicaSet ended with: Underlying Result Channel closed