Follow the below steps

1. Ensure you have updated the Virtual biometric plugin from the extension store. Refer this link on how to update/install a plugin from extension store: https://docs.uknowva.com/extending-uknowva/install-from-extension-store

2. Go to uKnowva configuration --> Plugin manager --> Virtual biometric plugin --> Track location mandatorily --> Enable the setting and Save it

3. Once saved, if any user does not share location, he/she shall not be allowed to punchin using the Virtual biometric. He shall get an error message like below: