How to Disable Lightbox?

Hello Team,

Thanks for creating such a great plugin, Can you please help me to fix only one thing?

As of now under General Settings > LightBox For Gallery I have kept untick but even when someone is clicking on feature image it’s opening as a light box.

Can you please help me to stop light box functionality? As It’s getting conflict with something else so when someone click on close it’s not closing the light box completely.

I have also ticked Conflict Fix, Layout Fix under Advance Options but it’s not solving the issue.

The page I need help with: [log in to see the link]