HPA failed status - unknow FlinkApplication / not found

[jmorcar]

I've created FlinkApplication cluster. After I've create a HPA with scaleTargetRef.. but hpa describe never find the new object FlinkApplication cluster "flinkoperator":

Cluster Green ok:

NAME                       PHASE     CLUSTER HEALTH   JOB HEALTH   JOB RESTARTS   AGE
flinkoperator   Running   Green            Green                       34m

Conditions:
  Type         Status  Reason          Message
  ----         ------  ------          -------
  AbleToScale  False   FailedGetScale  the HPA controller was unable to get the target's current scale: flinkapplications.flink.k8s.io "flinkoperator" not found
Events:
  Type     Reason          Age   From                       Message
  ----     ------          ----  ----                       -------
  Warning  FailedGetScale  8s    horizontal-pod-autoscaler  flinkapplications.flink.k8s.io "flinkoperator" not found

NAME                           REFERENCE                                   TARGETS                            MINPODS   MAXPODS   REPLICAS   AGE
flinkoperator-hpa   FlinkApplication/flinkoperator   <unknown>/14100Mi, <unknown>/95%   9         12        0          11m

Flink version: 1.9.2
AKS version:

% kubectl version             
Client Version: version.Info{Major:"1", Minor:"22", GitVersion:"v1.22.4", GitCommit:"b695d79d4f967c403a96986f1750a35eb75e75f1", GitTreeState:"clean", BuildDate:"2021-11-17T15:48:33Z", GoVersion:"go1.16.10", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"21", GitVersion:"v1.21.1", GitCommit:"10428892c761e8ca8908e71146eea4751feb545b", GitTreeState:"clean", BuildDate:"2021-11-15T08:35:11Z", GoVersion:"go1.16.4", Compiler:"gc", Platform:"linux/amd64"}