Description of problem: User can select Service name, Address, Port and Token when creating StorageCluster in StorageCluster installation wizard. All those items are marked as mandatory with symbol *. Only token is enforced and the rest of the items can be empty and user can proceed in form. When user clicks on Create button in next step, there appears error message: An error occurred f is null Version-Release number of selected component (if applicable): ocs-operator.v4.7.0-250.ci How reproducible: Steps to Reproduce: 1. Navigate to Operators -> Installed operators -> OpenShift Container Storage 2. Start creating new StorageCluster. 3. In second step "Configure" of StorageCluster creation wizard select "Enable Encryption" and "Connect to an external key management service". 4. Fill some string into Token. Leave Service name, Address and Port empty. 5. Click Next and proceed to third step. 6. Click Create. Actual results: There appears an error message: An error occurred f is null Expected results: Form should not allow user to continue to third step. Additional info: