I was also having the same problem a few days back while I was working on my mac book but I was able to fix the error by using some easy solutions that I found in an article which I found using google. This article will explain all about this problem of crashing as well as some basic solutions that are meant to be applied. Here I can't write down the full solution so I will write in short. The link for a full solution will be tagged at the end-
So the reason for this error is not yet specified but it is assured by Intuit that they may resolve the error in the next update but these solutions may fix the error as it helped me.
Here is the solution you can try-
- Update QuickBooks
- Verify integrity in the company file
- Boot system safely
- add a new user to mac
If you want to read the article with the full description that helped me then read this article- QuickBooks Mac Crashing