Shouldn't questions about minecraft servers crashing be flagged. They pop up all over the recent questions and usually never have an answer. They are too broad and there are countless different possibilities as to what could be happening and how to fix it. All of these questions are just downvoted, and marked as duplicates.
Here is an example of one of these questions. https://gaming.stackexchange.com/questions/263441/my-minecarft-keeps-crashing-and-i-dont-know-why