Meta has confirmed that the problem is rooted in the WhatsApp Business Platform. We are working closely together with them to understand how to solve it as soon as possible. We will update this incident as soon as we have more information from Meta
You can recognize this issue if you try to perform certain operations like check contacts or send messages and you receive a response such as:
errors":[{"code":1014,"title":"Internal error","details":"Connection timed out. Please check if wacore is running: x"}]}
or
"error": "HTTPSConnectionPool(host='x', port=443): Read timed out. (read
timeout=20)"