Are you getting an error when you try to install the CLI?

You cannot install the Activity Tracker Event Routing CLI.

Your request fails with an error message that indicates that the plug-in being installed is already used.

When you try to install the Activity Tracker Event Routing CLI, you get an error in your response:

Namespace name/alias 'at' in the plug-in being installed is already used by a command/alias in the installed plug-in 'activity-tracker'.

To resolve the problem, complete the following steps:

List the plugins that are available in your local environment.

Run the following command:
```
ibmcloud plugin list
```
Look for the activity-tracker plugin. Then, run the following command to remove it:
```
ibmcloud plugin uninstall activity-tracker
```
Install the Activity Tracker Event Routing CLI. Run the following command:
```
ibmcloud plugin install atracker
```