Simple image gallery conflict on site

Hello,
I’ve installed simple image gallery plugin for creating event image gallery.
It’s working on fine on https://www.bethlord.com/events-flyers/ this page.
But now i want to used this gallery on another page : https://www.bethlord.com/flayer-slider-of-homepage/
It’s not working on above pages even that’s also affect on testimonial slider.
I’ve tring variuos solution for rresolve js conflict issue.but not working.
Can you please help me to resolved this issue.
Thank you in advanced.

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