This is a dump. It can occur for various reasons like huge number of line items, or attachment size or some field is not updated correctly etc. If the document shows consistent, but still dump is coming, it might be because add-on if you have implemented any , which is trying to update the invoice while posting.
However, for such dump issues, we need to reproduce and check from backend to identify the exact root cause.
You can raise an incident and send to us for further investigation.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.