Version: Assisted-ui-lib version: 1.5.19 The SNO warning has a misspell. OpenShift in-place upgrades aren't expected to work with SNO. If and upgrade is needed, your system will need a redeployment. The "and upgrade" should be "an upgrade".
*** Bug 1958607 has been marked as a duplicate of this bug. ***
Verified on Sating OCP-Metal-UI-v1.5.20 "OpenShift in-place upgrades aren't expected to work with SNO. If an upgrade is needed, your system will need a redeployment."