Error on POST /stackgres/connpoolconfig if kind and apiVersion are not specified
Differently from all other REST API creation endpoints an exception occurs when calling /stackgres/connpoolconfig if kind and apiVersion are not specified:
io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: POST at: https://10.96.0.1/apis/stackgres.io/v1alpha1/namespaces/backup-with-default-storage/sgconnectionpoolingconfigs. Message: Internal error occurred: no kind "StackGresConnectionPoolingConfig" is registered for version "stackgres.io/v1alpha1" in scheme "k8s.io/apiextensions-apiserver/pkg/apiserver/apiserver.go:51". Received status: Status(apiVersion=v1, code=500, details=StatusDetails(causes=[StatusCause(field=null, message=no kind "StackGresConnectionPoolingConfig" is registered for version "stackgres.io/v1alpha1" in scheme "k8s.io/apiextensions-apiserver/pkg/apiserver/apiserver.go:51", reason=null, additionalProperties={})], group=null, kind=null, name=null, retryAfterSeconds=null, uid=null, additionalProperties={}), kind=Status, message=Internal error occurred: no kind "StackGresConnectionPoolingConfig" is registered for version "stackgres.io/v1alpha1" in scheme "k8s.io/apiextensions-apiserver/pkg/apiserver/apiserver.go:51", metadata=ListMeta(_continue=null, remainingItemCount=null, resourceVersion=null, selfLink=null, additionalProperties={}), reason=InternalError, status=Failure, additionalProperties={}).
Check why this error occurs only on this kind of resource.