Repro:-

Step 1:-

i) Create Definition 

ii) Create Profile

iii)Reachability/Connectivity Info API

 ( https://wiki.onap.org/display/DW/MultiCloud+K8s-Plugin-service+API#MultiCloudK8sPluginserviceAPI-ConfigurationTemplateAPI )

iv ) create instance

Step 2:- Delete connectivity (iii) 

Step 3:- Delete instance

Log:-curl -X DELETE http://XXX:30280/api/multicloud-k8s/v1/v1/instance/blissful_dubinsky
Getting CloudRegion Information: Get kubeconfig file: Downloading kubeconfig: Getting Connection info: Get Connection: Error finding master table: mongo: no documents in result

RCA:- 

i) As part of step 1 (iii) we are uploading kube config details.

ii) while deleting instance, plugin is not getting authentication details ( client.go line : 51 )