Check the following items:
Log in to the CCE console and click the cluster name to access the cluster console. Choose Add-ons in the navigation pane and obtain the malfunctional add-on. Then, rectify the fault.
The following error information is displayed during the pre-upgrade check:
addon [***] does not support cluster target version, check and try again
Log in to the CCE console and click the cluster name to access the cluster console. Choose Add-ons in the navigation pane and manually uninstall the add-on. For details about the supported add-on versions and substitutions, see the Help document.
The following error information is displayed during the pre-upgrade check:
please upgrade addon [ ] in the page of addon managecheck and try again
In this case, log in to the CCE console and click the cluster name to access the cluster console. Choose Add-ons in the navigation pane and manually upgrade the add-on.