Furthermore, automationbroker/ansible-service-broker cannot be deleted while hit this problem.

*** Bug 1662282 has been marked as a duplicate of this bug. ***

The broker is telling you that you have the incorrect set up: 

\"msg\": \"Failed to create object: {\\\"kind\\\":\\\"Status\\\",\\\"apiVersion\\\":\\\"v1\\\",\\\"metadata\\\":{},\\\"status\\\":\\\"Failure\\\",\\\"message\\\":\\\"clusterrolebindings.rbac.authorization.k8s.io \\\\\\\"ansible-service-broker-openshift-ansible-service-broker-admin\\\\\\\" is forbidden: user \\\\\\\"system:serviceaccount:openshift-ansible-service-broker:automation-broker-operator\\\\\\\" (groups=[\\\\\\\"system:serviceaccounts\\\\\\\" \\\\\\\"system:serviceaccounts:openshift-ansible-service-broker\\\\\\\" \\\\\\\"system:authenticated\\\\\\\"]) is attempting to grant RBAC permissions not currently held:\

Please add the correct CRB (ClusterRoleBinding) to the operators SVCACCT so that it can complete correctly.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:0758