I've been searching and can't find anything that has worked so far. I installed the new version 1.7.7.5 and everything worked fine for two weeks. I had six categories and had filled one of them with 40 products and another with 30 products before everything went dead. Weirdly, the two categories that have all the products in them are "empty" but the basic page loads. Thanks in advance....
https://www.dragonfliesareus.com/4-dragonfly-earrings
Categories that have nothing in them seem to work:
https://www.dragonfliesareus.com/5-dragonfly-necklaces
The home page is blank and I can't login to the backend. I'm attaching screenshots
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