On my site, I have a testimonial page which I need to embed videos. I was using Stong Testimonials but I realized it caused a conflict with WPforo after installation. My browser was repeatedly prompting me for sign ins. 

Now, I am embedding Youtube testimonial videos without the Strong Testimonial plug in using only the Gutenberg boxes and now the issue reappeared? Any known issues? Is this a caching issue? Please advise.