VaM 1.x Error when loading Vagina-Pump plugin - 'FeelUI' not found

Hello everyone,

I'm having trouble using the "Vagina Pump" asset and would appreciate any help.When I try to add the plugin to my character, I get an error message.

Asset I'm using:https://hub.virtamate.com/resources/vagina-pump.60705/

Here are the steps I'm taking:

1. I start VaM and load a scene.
2. I load a custom Look onto the character.
3. I switch to Edit Mode and select the character (Person atom).
4. I go to the "Plugins" tab, click "Add Plugin", and select the VaginaPump.cs file.

When I do this, I get the error shown in the screenshot below. The error log says: The name 'FeelUI' does not exist in the current context.

I believe I'm following the correct steps, but maybe I'm missing something. Is there a dependency I need to install first?

Any advice on how to fix this would be greatly appreciated. Thank you!