Index patterns are missing

[pokixing]

Operating System: Centos7
go version go1.12.7 linux/amd64

I am trying to run prometheus-es-adapter but got the following error :
{"level":"fatal","ts":1563764984.771872,"caller":"adapter/main.go:74","msg":"Failed to create index template","error":"Failed to create index template: elastic: Error 400 (Bad Request): Validation Failed: 1: index patterns are missing; [type=action_request_validation_exception]","stacktrace":"main.main\n\t/root/prometheus-es-adapter-master/cmd/adapter/main.go:74\nruntime.main\n\t/root/go/src/runtime/proc.go:200"}

[kearme]

@pokixing Which ES version are you using? I have the same problem

[xkfen]

same with elasticsearch:5.6.8-alpine.
any help?