I'm installing a cart on a site, and when I save the cart template, it works for a while, and then out of seemingly nowhere, instead of showing the cart, it shows only this error:
There was an error displaying this content. Your order has completed successfully and the store has been contacted about this issue.
I have done nothing in the interim, and all I have to do, to make it go away, is to go to the admin and save the cart template, with no changes.
This started when I was simply selecting the bullet point that loaded the default TWIG template. I tried using the non-TWIG template, and the same problem happened. I tried connecting the template to a file on my server and caching the template, and the problem persisted.
Please give me your thoughts on this matter. I'll whisper the URL and other details to some of you.