Dear Ciaran,

Suddenly almost all modules with animation class effect has disappeared from the front end and were replaced with an empty space!! If the animation class is removed, the modules return back to their places.

I'm using animation effect on almost all pages so this has affected the whole site. What might went wrong??!!

Here is an example of one of the pages showing empty modules where the animation class is present; (Showcase-a1, Bottom-1a, Bottom-2a & Bottom-2b, Bottom-3a & Bottom-3b).
https://www.afmssc.com/index.php/about/who-we-are

Another example on screenshots; before and after adding animation class.

The only new thing I have done this morning is enabling Conservative Caching to enhance the site speed performance. Although I tested the site afterward and everything was ok, an hour or two later this issue appeared. I don't think this has anything to do with my issue but I thought of mentioning it.

Please HELP!