kiali signing key for login tokens is invalid

[gh0sthx]

Environment

• OS: windows10
• Kubernetes version: 1.15
• VirtualBox version: 5.2
• Vagrant version:2.2

What I did?

kubectl apply -n istio-system -f addon/kiali

Messages

istio-system   kiali-5c49fc4dd9-76lwg                            0/1     CrashLoopBackOff   1          19s

[root@node1 vagrant]# kubectl logs -n istio-system  kiali-5c49fc4dd9-76lwg
I0524 04:26:37.392908       1 kiali.go:66] Kiali: Version: latest, Commit: 8aedcb62e47d933d38d1f717af4483e20c0205c3
I0524 04:26:37.392955       1 kiali.go:67] DEBUG: Kiali: Command line: [/opt/kiali/kiali -config /kiali-configuration/config.yaml -v 4]
I0524 04:26:37.392963       1 config.go:502] DEBUG: Reading YAML config from [/kiali-configuration/config.yaml]
I0524 04:26:37.393221       1 kiali.go:205] Using authentication strategy [login]
W0524 04:26:37.393237       1 kiali.go:210] Credentials are missing. Create a proper secret. Please refer to the documentation for more details.
F0524 04:26:37.393242       1 kiali.go:83] signing key for login tokens is invalid

[gh0sthx]

kiali is lastest version