Why do Container Registry commands fail with a message that they're not registered?
You can't run any IBM Cloud® Container Registry ibmcloud cr commands. The commands are failing with the message: 'cr' is not a registered command. See 'ibmcloud help'.
You're trying to run an ibmcloud cr command, but you receive an error message similar to one of the following error messages:
ibmcloud cr login
'cr' is not a registered command. See 'ibmcloud help'.
ibmcloud cr namespace
'cr' is not a registered command. See 'ibmcloud help'.
The container-registry command-line interface (CLI) plug-in is not installed or is out of date.
Install the container-registry CLI plug-in, see Installing the container-registry CLI plug-in.
Update the container-registry CLI plug-in, see Updating the container-registry CLI plug-in.