In new Mayas you need to allow animBot plugins to run. When you first load animBot you should see the dialog below. Please make sure to tick the checkbox and hit Allow:
If you already have allowed the plugin, that can mean maya can't load this animBot plugin due to non-ascii characters in the path, typically when the system user name contains non-ascii characters. Please try this solution Animbot fails to load when maya-scripts directory contains non-ASCII characters